Stars News

June 3, 2025

Top Headlines

Understanding Why Galaxy Clusters Are Warm May Explain the Origin of Giant Interstellar Structures

May 2, 2025 — Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

Cosmic Mystery Deepens as Astronomers Find Object Flashing in Both Radio Waves and X-Rays

May 28, 2025 — A team of international astronomers have discovered a new cosmic object emitting both radio waves and ...

ALMA Measures Evolution of Monster Barred Spiral Galaxy

May 22, 2025 — Astronomers have observed a massive and extremely active barred spiral galaxy in the early Universe and found that it has important similarities and differences with modern galaxies. This improves our understanding of how barred spiral galaxies, ...

Gas Location Drives Star Formation in Distant Galaxies

May 20, 2025 — In the intriguing realm of star-forming galaxies, the key factor isn't the total amount of gas but rather its strategic distribution within the ...

Latest Headlines

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Not One, but Two Massive Black Holes Are Eating Away at This Galaxy

May 19, 2025 — Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

Astronomers Take a Second Look at Twin Star Systems

May 14, 2025 — Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or 'hot Jupiters,' astronomers can spend months or years ...

Universe Decays Faster Than Thought, but Still Takes a Long Time

May 12, 2025 — The universe is decaying much faster than thought. This is shown by calculations of scientists on the so-called Hawking radiation. They calculate that the last stellar remnants take about 10^78 years ...

Gaia Spots Odd Family of Stars Desperate to Leave Home

May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying spacecraft, and ...

Astronomers Find Earth-Like Exoplanets Common Across the Cosmos

Apr. 25, 2025 — Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Astronomers Discover a Planet That's Rapidly Disintegrating, Producing a Comet-Like Tail

Apr. 22, 2025 — A planet 140 light-years from Earth is rapidly coming apart due to its close proximity to its star. The roasting planet is effectively evaporating ...

Scientists Discover How Stellar-Mass Black Holes Emit Powerful Plasma Jets

Apr. 9, 2025 — Scientists have discovered key conditions needed for a stellar black hole to create plasma jets. Their findings show that when superheated gas material experiences a rapid shrinkage towards the black ...

Turning Down Starlight to Spot New Exoplanets

Apr. 18, 2025 — Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent ...

'Big Surprise': Astronomers Find Planet in Perpendicular Orbit Around Pair of Stars

Apr. 16, 2025 — Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first time we have strong ...

Our Closest Neighboring Galaxy May Be Being Torn Apart

Apr. 10, 2025 — A team has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way. Their findings suggest that the gravitational pull of ...

Do 'Completely Dark' Dark Matter Halos Exist?

Apr. 8, 2025 — Every galaxy is thought to form at the center of a dark matter halo. Stars are formed when gravity within dark matter halos draws in gas, but astrophysicists don't know whether star-free dark ...

Astronomers Discover Doomed Pair of Spiralling Stars on Our Cosmic Doorstep

Apr. 4, 2025 — Astronomers have discovered an extremely rare, high mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing ...

Galaxies Die Earlier Than Expected

Apr. 2, 2025 — For a long time, scientists thought that only actively star-forming galaxies should be observed in the very early Universe. The James Webb space telescope now reveals that galaxies stopped forming ...

Insight from One of Milky Way's Most Extreme Environments

Apr. 2, 2025 — In new images, scientists have gotten the closest look yet at Sagittarius C -- a 'stellar nursery' where clouds of gas and dust have collapsed to form thousands of new ...

Sound Frequencies of Stars Sing of Our Galaxy's Past and Future

Apr. 2, 2025 — Researchers interrogated the 'sounds' of a cluster of stars within the Milky Way, uncovering a new technique for astrophysicists to probe the universe and learn more about its ...

Nanomaterials Used to Measure Nuclear Reaction on Radioactive Nuclei Produced in Neutron Star Collisions

Mar. 18, 2025 — Physicists have measured a nuclear reaction that can occur in neutron star collisions, providing direct experimental data for a process that had previously only been theorised. The study provides new ...

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 ...

TOI-1453: Sub-Neptune in System of Two Exoplanets

Mar. 14, 2025 — Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...

Detailed Map of Dust in the Milky Way

Mar. 13, 2025 — Astronomers have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million spectra from ESA's Gaia mission, ...

Violent Supernovae 'Triggered at Least Two Earth Extinctions'

Mar. 13, 2025 — At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these ...

Entwined Dwarf Stars Reveal Their Location Thanks to Repeated Radio Bursts

Mar. 12, 2025 — A white dwarf and a red dwarf star have been discovered closely orbiting each other emitting radio pulses every two hours. Their findings means we know it isn't just neutron stars that emit such ...

Four Tiny Planets Found Orbiting One of Our Nearest Stars

Mar. 11, 2025 — Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to ...

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

Mar. 11, 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 ...

Small and Large Planets Have Significantly Different Upbringings

Mar. 5, 2025 — Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several ...

Neural Network Deciphers Gravitational Waves from Merging Neutron Stars in a Second

Mar. 5, 2025 — Binary neutron star mergers emit gravitational waves followed by light. To fully exploit these observations and avoid missing key signals, speed is crucial. An interdisciplinary team of researchers ...

Ultra-Hot Nova Observed Erupting: Surprising Chemical Signature

Mar. 5, 2025 — Astronomers have for the first time observed a recurring nova outside of the Milky Way in near-infrared light. The data revealed highly unusual chemical emissions as well as one of the hottest ...

Beyond Our Solar System: Scientists Identify a New Exoplanet Candidate

Mar. 4, 2025 — The discovery of new exoplanets can help scientists understand how planets form and ...

How Do the Universe's Highest-Energy Particles Originate? Magnetic Outflows Stemming from Star Mergers, Analysis Concludes

Feb. 28, 2025 — Physicists provide a viable and testable explanation for how UHECRs are ...

Young Star Clusters Give Birth to Rogue Planetary-Mass Objects

Feb. 27, 2025 — How do rogue planetary-mass objects -- celestial bodies with masses between stars and planets -- form? An international team of astronomers has used advanced simulations to show that these enigmatic ...

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

Feb. 27, 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 ...