Marine Biology News

October 29, 2025

Top Headlines

Scientists Just Found Out How Corals Rebuild Themselves on the Reef

Oct. 29, 2025 — Researchers at QUT uncovered how corals reattach to reefs through a three-phase process involving tissue transformation, anchoring, and skeleton formation. Differences among species reveal why some corals grow and attach faster than others. ...

Antarctic Robot ‘Lassie’ Uncovers Thousands of Icefish Nests Beneath Antarctic Ice

Oct. 29, 2025 — Beneath the ice of Antarctica’s Weddell Sea, scientists discovered a vast, organized city of fish nests revealed after the colossal A68 iceberg broke away. Using robotic explorers, they found over ...

Atlantic Dolphins Are Dying Much Younger. Scientists Sound the Alarm

Oct. 22, 2025 — Common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping seven years since the 1990s. Researchers found this decline by analyzing stranded dolphins, revealing a 2.4% drop in population growth ...

Glowing Sugars Show How Microbes Eat the Ocean's Carbon

Oct. 19, 2025 — Researchers have developed a light-emitting sugar probe that exposes how marine microbes break down complex carbohydrates. The innovative fluorescent tool allows scientists to visualize when and where sugars are degraded in the ocean. This ...

They’re Smaller Than Dust, but Crucial for Earth’s Climate

Oct. 10, 2025 — Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological records that chronicle our planet’s history. European scientists are uniting to honor them with International ...

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 — Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep channels and restored marine life in less than ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 5, 2025 — New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at risk of extinction, could face increased dangers ...

Japan’s Hot Springs Hold Clues to the Origins of Life on Earth

Oct. 3, 2025 — Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, which mimic the ancient oceans, to uncover how ...

The Billion-year Reign of Fungi That Predated Plants and Made Earth Livable

Oct. 1, 2025 — Fungi may have shaped Earth’s landscapes long before plants appeared. By combining rare gene transfers with fossil evidence, researchers have traced fungal origins back nearly a billion years earlier than expected. These ancient fungi may have ...

DNA from Old Ants Reveals a Hidden Insect Apocalypse in Fiji

Sep. 20, 2025 — Insects are essential for ecosystems, but mounting evidence suggests many populations are collapsing under modern pressures. A new study used cutting-edge genomic techniques on museum specimens to track centuries of ant biodiversity across Fiji. The ...

Scientists Just Found Hidden Parasitic Wasps Spreading Across the U. S.

Sep. 15, 2025 — Researchers discovered two new parasitic wasp species living in the U.S., tracing their origins back to Europe and uncovering clues about how they spread. Their arrival raises fresh questions about biodiversity, ecological risks, and the role of ...

Hungry Flathead Catfish Are Changing Everything in the Susquehanna

Sep. 9, 2025 — Flathead catfish are rapidly reshaping the Susquehanna River’s ecosystem. Once introduced, these voracious predators climbed to the top of the food chain, forcing native fish like channel catfish and bass to shift diets and habitats. Using stable ...

Latest Headlines

updated 1:42pm EDT

Before Plants or Animals, Fungi Conquered Earth’s Surface

Oct. 28, 2025 — Fungi’s evolutionary roots stretch far deeper than once believed — up to 1.4 billion years ago, long before plants or animals appeared. Using advanced molecular dating and gene transfer analysis, ...

A Hidden Temperature Law Governs All Life on Earth

Oct. 25, 2025 — In a groundbreaking discovery, scientists at Trinity College Dublin have identified a "universal thermal performance curve" that governs how all living organisms respond to temperature. This finding ...

How Algae Learned to Harness the Sun Without Getting Burned

Oct. 22, 2025 — Under the sea, green algae have evolved a clever way to handle too much sunlight. Scientists found that a special pigment called siphonein acts like a natural sun shield, protecting the algae’s ...

Scientists Just Found Real Teeth Growing on a Fish’s Head

Oct. 16, 2025 — Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

Dolphins May Be Getting Alzheimer’s from Toxic Ocean Blooms

Oct. 11, 2025 — Dolphins washing up on Florida’s shores may be victims of the same kind of brain degeneration seen in humans with Alzheimer’s disease. Researchers discovered that cyanobacterial toxins—worsened ...

Glowing Shark and Hidden Crab Found Deep Off Australia

Oct. 9, 2025 — In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Before They Sucked Blood, Leeches Were Ocean Hunters

Oct. 2, 2025 — A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

Scientists Just Found the Strongest Signs of Life on Mars Yet

Oct. 1, 2025 — Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals. The presence of iron-phosphate and iron-sulfide nodules suggests processes ...

A Pink Bumpy Snailfish Was Just Discovered Miles Beneath the Ocean

Sep. 26, 2025 — Scientists have identified three new species of deep-sea snailfish, including the strikingly pink “bumpy snailfish,” thanks to MBARI’s advanced technology and global collaborations. Found ...

Fish Love Songs Recorded for 12 Years Reveal a Surprising Shift

Sep. 23, 2025 — By recording grouper grunts for 12 years, scientists discovered major shifts in how red hind spawn and compete. Courtship calls once dominated, but territorial sounds have surged, suggesting changes ...

The Ocean’s Most Abundant Microbe Is Near Its Breaking Point

Sep. 9, 2025 — Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine ...

Salmon’s Secret Superfood Is Smaller Than a Grain of Salt

Sep. 8, 2025 — Tiny diatoms and their bacterial partners act as nature’s nutrient factories, fueling insects and salmon in California’s Eel River. Their pollution-free process could inspire breakthroughs in ...

Fossil Reveals a 310-Million-Year-Old Fish That Ate With a Hidden Second Jaw

Sep. 4, 2025 — Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second jaw. This adaptation, previously thought to have ...

Why Most Whale Sharks in Indonesia Are Scarred by Humans

Aug. 28, 2025 — Whale sharks in Indonesia are suffering widespread injuries, with a majority scarred by human activity. Researchers found bagans and boats to be the biggest threats, especially as shark tourism ...

Sharks’ Teeth Are Crumbling in Acid Seas

Aug. 27, 2025 — Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening ...

Scientists Found the Missing Nutrients Bees Need — Colonies Grew 15-Fold

Aug. 23, 2025 — Scientists have developed a breakthrough food supplement that could help save honeybees from devastating declines. By engineering yeast to produce six essential sterols found in pollen, researchers ...

Protected Seas Help Kelp Forests Bounce Back from Heatwaves

Aug. 20, 2025 — Kelp forests bounce back faster from marine heatwaves when shielded inside Marine Protected Areas. UCLA researchers found that fishing restrictions and predator protection strengthen ecosystem ...

Tiny Ancient Whale With a Killer Bite Found in Australia

Aug. 13, 2025 — An extraordinary fossil find along Victoria’s Surf Coast has revealed Janjucetus dullardi, a sharp-toothed, dolphin-sized predator that lived 26 million years ago. With large eyes, slicing teeth, ...

Crushing Vs. Slashing: New Skull Scans Reveal How Giant Dinosaurs Killed

Aug. 5, 2025 — Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed ...

Did Drunk Apes Help Us Evolve? New Clues Reveal Why We Digest Alcohol So Well

Aug. 1, 2025 — Ape behavior just got a name upgrade — “scrumping” — and it might help explain why humans can handle alcohol so well. Researchers discovered that African apes regularly eat overripe, ...

Underground Life on Mars? Cosmic Rays Could Make It Possible

Aug. 3, 2025 — Cosmic rays from deep space might be the secret energy source that allows life to exist underground on Mars and icy moons like Enceladus and Europa. New research reveals that when these rays interact ...

Your Nature Photo Might Be a Scientific Breakthrough in Disguise

Aug. 3, 2025 — Every time someone snaps a wildlife photo with iNaturalist, they might be fueling breakthrough science. From rediscovering lost species to helping conservation agencies track biodiversity and ...

400-Million-Year-Old Fish Exposes Big Mistake in How We Understood Evolution

July 29, 2025 — A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed ...

Deep-Sea Fish Just Changed What We Know About Earth’s Carbon Cycle

July 27, 2025 — Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

500-Million-Year-Old “squid” Were Actually Ferocious Worms

Aug. 25, 2025 — A stunning discovery in North Greenland has reclassified strange squid-like fossils, revealing that nectocaridids were not early cephalopods but ancestors of arrow worms. Preserved nervous systems ...

Bizarre Ancient Creatures Unearthed in the Grand Canyon

Aug. 14, 2025 — A groundbreaking fossil discovery in the Grand Canyon has unveiled exquisitely preserved soft-bodied animals from the Cambrian period, offering an unprecedented glimpse into early life more than 500 ...

DNA from the Deep Reveals a Hidden Ocean “superhighway”

Aug. 7, 2025 — Deep beneath the ocean's surface, a groundbreaking DNA study reveals that the deep sea is far more globally connected than once thought. By analyzing thousands of brittle stars preserved in ...

A 500-Million-Year-Old Fossil Just Rewrote the Spider Origin Story

July 24, 2025 — Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern spiders. Using detailed fossil brain analysis, researchers uncovered neural ...

No One Knows What These Strange Larvae Grow Into

Sep. 13, 2025 — Not all barnacles just sit on rocks and ships. Some invade crabs, growing like a parasitic root system that hijacks their bodies. A mysterious group called y-larvae has baffled scientists for over a ...

Scientists Just Uncovered Three Ancient Worlds Frozen Beneath Illinois for 300 Million Years

Aug. 9, 2025 — Over 300 million years ago, Illinois teemed with life in tropical swamps and seas, now preserved at the famous Mazon Creek fossil site. Researchers from the University of Missouri and geologist ...