Satellites News

June 26, 2025

Top Headlines

Scientists Innovate Mid-Infrared Photodetectors for Exoplanet Detection, Expanding Applications to Environmental and Medical Fields

May 9, 2025 — Researchers have developed an innovative photodetector capable of detecting a broad range of mid-infrared ...

NASA's NICER Maps Debris from Recurring Cosmic Crashes

May 6, 2025 — Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other ...

The Heart of World's Largest Solar Telescope Begins to Beat

Apr. 25, 2025 — The world's largest solar telescope has reached an important milestone. The data published now were obtained during the technical commissioning of the ...

Strongest Hints Yet of Biological Activity Outside the Solar System

Apr. 16, 2025 — Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain ...

From Boring to Bursting: Giant Black Hole Awakens

Apr. 11, 2025 — Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to learn more about these powerful events and the ...

'Hidden Galaxies': Key to Unlocking Some of Universe's Secrets

Apr. 10, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it would 'effectively break current models of galaxy ...

Asteroid Impact Threat Estimates Improved for the Earth and the Moon

Apr. 2, 2025 — An international team is currently closely tracking the near-Earth asteroid 2024 YR4. The impact probability estimates for the year 2032 has been reduced from a peak of 3 percent to below 0.001 ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

Signs of Alien Life May Be Hiding in These Gases

Mar. 13, 2025 — Scientists identify a new way to detect life in outer space with currently existing telescopes. The method hinges on worlds that look nothing like Earth, and gases rarely considered in the search for ...

Small, Faint and 'Unexpected in a Lot of Different Ways': Astronomers Make Galactic Discovery

Mar. 13, 2025 — The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

Super-Earths and Mini-Neptunes: More Earth-Like Planets May Exist

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using advanced simulations, the researchers propose that ...

NASA's Hubble Finds Kuiper Belt Duo May Be Trio

Mar. 4, 2025 — The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show '3 Body Problem.' There's no problem, however, with ...

Latest Headlines

updated 1:39pm EDT

Massive Thread of Hot Gas Found Linking Galaxies — and It’s 10 Times the Mass of the Milky Way

June 19, 2025 — Astronomers have uncovered a colossal, searing-hot filament of gas linking four galaxy clusters in the Shapley Supercluster a discovery that could ...

Sun Unleashes Monster Solar Storm: Rare G4 Alert Issued for Earth

June 10, 2025 — A violent solar eruption on May 31 launched a coronal mass ejection (CME) hurtling toward Earth, triggering a rare G4-level geomagnetic storm alert. Captured in real-time by U.S. Naval Research ...

NASA's Hubble Provides Bird's-Eye View of Andromeda Galaxy's Ecosystem

Feb. 28, 2025 — Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full Moon. What backyard observers don't ...

Einstein Probe Catches X-Ray Odd Couple

Feb. 18, 2025 — Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new way to explore how massive stars interact and evolve, confirming the unique ...

Straight Shot: Hubble Investigates Galaxy With Nine Rings

Feb. 4, 2025 — NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an 'arrow' -- a far smaller blue dwarf galaxy -- shot ...

The Universe Is Expanding Too Fast to Fit Theories: Hubble Tension in Crisis

Jan. 18, 2025 — The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: ...

NASA's Hubble Traces Hidden History of Andromeda Galaxy

Jan. 17, 2025 — In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

NASA's Pandora Mission One Step Closer to Probing Alien Atmospheres

Jan. 16, 2025 — Pandora, a small satellite mission poised to provide in-depth study of at least 20 known planets orbiting distant stars to determine the composition of their atmospheres cleared an important ...

NASA Celebrates Edwin Hubble's Discovery of a New Universe

Jan. 15, 2025 — For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

A Sustainable Development Goal for Space?

Jan. 11, 2025 — An international team of scientists has called for the creation of an 18th addition to the United Nations Sustainable Development Goals, which would aim to mitigate against the accumulation of space ...

Event Horizon Telescope: Moving Towards a Close-Up of a Black Hole and Its Jets

Dec. 17, 2024 — After taking the first images of black holes, the groundbreaking Event Horizon Telescope (EHT) is poised to reveal how black holes launch powerful jets into space. Now, a research team has shown that ...

Does the Exoplanet Trappist-1 B Have an Atmosphere After All?

Dec. 16, 2024 — Recent measurements with the James Webb Space Telescope (JWST) cast doubt on the current understanding of the exoplanet Trappist-1 b's nature. Until now, it was assumed to be a dark rocky planet ...

NASA's Hubble Celebrates Decade of Tracking Outer Planets

Dec. 9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to understand ...

Universe Expansion Study Confirms Challenge to Cosmic Theory

Dec. 9, 2024 — New observations from the James Webb Space Telescope suggest that a new feature in the universe -- not a flaw in telescope measurements -- may be behind the decade-long mystery of why the universe is ...

Astronomers Find the Smallest Asteroids Ever Detected in the Main Belt

Dec. 9, 2024 — Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt. They used their approach to detect more than 100 new asteroids, ranging from the ...

New Planet in Kepler-51 System Discovered Using James Webb Space Telescope

Dec. 3, 2024 — An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new ...

Magnetic Tornado Is Stirring Up the Haze at Jupiter's Poles

Nov. 26, 2024 — Dark ovals in Jupiter's polar haze, visible only at UV wavelengths, were first noticed 25 years ago, then ignored. A new study shows that these dark UV ovals are common, appearing at the south ...

NASA's Hubble, Webb Probe Surprisingly Smooth Disk Around Vega

Nov. 1, 2024 — Teams of astronomers used the combined power of NASA's Hubble and James Webb space telescopes to revisit the legendary Vega ...

Rocky Planets Orbiting Small Stars Could Have Stable Atmospheres Needed to Support Life

Oct. 23, 2024 — A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, creates an atmosphere that would be stable over time. This is true for ...

Can Cell Phone Signals Help Land a Plane?

Oct. 22, 2024 — Researchers are taking experimental navigation technology to the skies, pioneering a backup system to keep an airplane on course when it cannot rely on global positioning system ...

NASA, NOAA: Sun Reaches Maximum Phase in 11-Year Solar Cycle

Oct. 15, 2024 — Experts have announced that the Sun has reached its solar maximum period, which could continue for the next year. Scientists will not be able to determine the exact peak of this solar maximum period ...

NASA's Hubble, New Horizons Team Up for a Simultaneous Look at Uranus

Oct. 11, 2024 — NASA's Hubble Space Telescope and New Horizons spacecraft simultaneously set their sights on Uranus recently, allowing scientists to make a direct comparison of the planet from two very ...

NASA's Hubble Watches Jupiter's Great Red Spot Behave Like a Stress Ball

Oct. 9, 2024 — Astronomers have observed Jupiter's legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises -- especially when ...

This Rocky Planet Around a White Dwarf Resembles Earth -- 8 Billion Years from Now

Sep. 26, 2024 — A 2020 microlensing event was caused by a planetary system with an Earth-like planet and brown dwarf. The star type was uncertain. The team has determined that the star is a white dwarf, a system ...

NASA's Hubble Finds That a Black Hole Beam Promotes Stellar Eruptions

Sep. 26, 2024 — In a surprise finding, astronomers using NASA's Hubble Space Telescope have discovered that the blowtorch-like jet from a supermassive black hole at the core of a huge galaxy seems to cause ...

How Special Is the Milky Way Galaxy?

Sep. 25, 2024 — The SAGA Survey just published three new research articles that provide us with new insights into the uniqueness of our own Milky Way Galaxy after completing the census of 101 satellite systems ...

Early Dark Energy Could Resolve Cosmology's Two Biggest Puzzles

Sep. 13, 2024 — Physicists propose that a mysterious force known as early dark energy could solve two of the biggest puzzles in cosmology and fill in some major gaps in our understanding of how the early universe ...

Mathematical Proof: Five Satellites Needed for Precise Navigation

Sep. 6, 2024 — What is the shortest route to the next stop or the agreed meeting point? Global positioning systems (GPS) have become a routine part of everyday life for most people. Until now, however, the minimum ...

Distorted Galaxy Forming Cosmic Question Mark

Sep. 4, 2024 — It's 7 billion years ago, and the universe's heyday of star formation is beginning to slow. What might our Milky Way galaxy have looked like at that time? Astronomers have found clues in ...

Six New Rogue Worlds: Star Birth Clues

Aug. 27, 2024 — The James Webb Space Telescope has spotted six likely rogue worlds -- objects with planet-like masses but untethered from any star's gravity -- including the lightest ever identified with a ...