Stars News

April 26, 2024

Top Headlines

Eruption of Mega-Magnetic Star Lights Up Nearby Galaxy

Apr. 24, 2024 — While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays -- high-energy photons -- coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space telescope searched for an afterglow from the ...

Giant Galactic Explosion Exposes Galaxy Pollution in Action

Apr. 22, 2024 — Astronomers have produced the first high-resolution map of a massive explosion in a nearby galaxy, providing important clues on how the space between galaxies is polluted with chemical ...

Astronomers Uncover Methane Emission on a Cold Brown Dwarf

Apr. 17, 2024 — Astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. The findings suggest that this brown dwarf might generate aurorae similar to those seen on our own planet as well as on Jupiter ...

Most Massive Stellar Black Hole in Our Galaxy Found

Apr. 16, 2024 — Astronomers have identified the most massive stellar black hole yet discovered in the Milky Way galaxy. This black hole was spotted in data from the European Space Agency's Gaia mission because it imposes an odd 'wobbling' motion on the companion ...

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updated 5:49pm EDT

Stellar Winds of Three Sun-Like Stars Detected for the First Time

Apr. 12, 2024 — An international research team has for the first time directly detected stellar winds from three Sun-like stars by recording the X-ray emission from their astrospheres, and placed constraints on the ...

Exoplanets True to Size

Apr. 12, 2024 — A star's magnetic field must be considered in order to correctly determine the characteristics of exoplanets from observations by space telescopes such as Kepler, James Webb, or PLATO. Researchers ...

Beautiful Nebula, Violent History: Clash of Stars Solves Stellar Mystery

Apr. 11, 2024 — When astronomers looked at a stellar pair at the heart of a stunning cloud of gas and dust, they were in for a surprise. Star pairs are typically very similar, like twins, but in HD 148937, one star ...

Twinkle Twinkle Baby Star, 'Sneezes' Tell Us How You Are

Apr. 11, 2024 — Researchers have found that baby stars discharge plumes of gas, dust, and magnetic flux from their protostellar disk. The protostellar disk that surrounds developing stars are constantly penetrated ...

Neutron Stars Are Key to Understanding Elusive Dark Matter

Apr. 5, 2024 — Scientists may be one step closer to unlocking one of the great mysteries of the universe after calculating that neutron stars might hold a key to helping us understand elusive dark ...

Astronomy: How Do Brown Dwarfs Form?

Apr. 5, 2024 — New observations provide insights into whether the birth of the giant planets takes a similar course to that of ...

NASA's Webb Probes an Extreme Starburst Galaxy

Apr. 3, 2024 — A team of astronomers has used NASA's James Webb Space Telescope to survey the starburst galaxy Messier 82 (M82). Located 12 million light-years away in the constellation Ursa Major, this galaxy is ...

Stellar Collisions Produce Strange, Zombie-Like Survivors

Apr. 4, 2024 — Densely packed, fast-moving stars at the Milky Way's center can collide with each other. New research uses simulations to explore the outcomes of these collisions. Some collisions are more like ...

Unlocking Supernova Stardust Secrets

Mar. 28, 2024 — New research has discovered a rare dust particle trapped in an ancient extra-terrestrial meteorite that was formed by a star other than our ...

ALMA Finds New Molecular Signposts in Starburst Galaxy

Mar. 28, 2024 — The ALMA radio telescope has detected more than 100 molecular species, including many indicative of different star formation and evolution processes, in a galaxy where stars are forming much more ...

Astronomers Conduct First Search for Forming Planets With New Space Telescope

Mar. 27, 2024 — Planets form in disks of dust and gas called protoplanetary disks that whirl around a central protostar during its final ...

'Cosmic Cannibals' Expel Jets Into Space at 40 Percent the Speed of Light

Mar. 27, 2024 — Astronomers have measured the speed of fast-moving jets in space, crucial to star formation and the distribution of elements needed for life. The jets of matter, expelled by stars deemed 'cosmic ...

Sleeping Supermassive Black Holes Awakened Briefly by Shredded Stars

Mar. 26, 2024 — Astronomers have concluded that an obscure class of galaxies known as Compact Symmetric Objects, or CSOs, are not young as previously thought but rather lead relatively short ...

Tiniest 'Starquake' Ever Detected

Mar. 26, 2024 — An orange dwarf star has yielded the tiniest 'starquakes' ever recorded, measured by an international team of ...

Astronomers Discover 49 New Galaxies in Under Three Hours

Mar. 25, 2024 — New work aimed to study the star-forming gas in a single radio galaxy. Although the team didn't find any star-forming gas in the galaxy they were studying, they instead discovered other galaxies ...

Scientists Find One of the Most Ancient Stars That Formed in Another Galaxy

Mar. 20, 2024 — The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new ...

Explaining a Supernova's 'String of Pearls'

Mar. 13, 2024 — Physicists often turn to the Rayleigh-Taylor instability to explain why fluid structures form in plasmas, but that may not be the full story when it comes to the ring of hydrogen clumps around ...

Peering Into the Tendrils of NGC 604 With NASA's Webb

Mar. 11, 2024 — The formation of stars and the chaotic environments they inhabit is one of the most well-studied, but also mystery-shrouded, areas of cosmic investigation. The intricacies of these processes are now ...

Finding New Physics in Debris from Colliding Neutron Stars

Mar. 6, 2024 — Neutron star mergers are a treasure trove for new physics signals, with implications for determining the true nature of dark matter, according to ...

Astronomers Spot Oldest 'Dead' Galaxy Yet Observed

Mar. 6, 2024 — A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers. Using the James Webb Space Telescope, astronomers have spotted a 'dead' ...

Discovery Tests Theory on Cooling of White Dwarf Stars

Mar. 6, 2024 — Open any astronomy textbook to the section on white dwarf stars and you'll likely learn that they are 'dead stars' that continuously cool down over time. Astronomers are challenging ...

Groundbreaking Survey Reveals Secrets of Planet Birth Around Dozens of Stars

Mar. 5, 2024 — A team of astronomers has shed new light on the fascinating and complex process of planet formation. The research brings together observations of more than 80 young stars that might have planets ...

What Makes Black Holes Grow and New Stars Form? Machine Learning Helps Solve the Mystery

Mar. 5, 2024 — It takes more than a galaxy merger to make a black hole grow and new stars form: machine learning shows cold gas is needed too to initiate rapid growth -- new research ...

Webb Unlocks Secrets of One of the Most Distant Galaxies Ever Seen

Mar. 4, 2024 — Looking deeply into space and time, astronomers have studied the exceptionally luminous galaxy GN-z11, which existed when our 13.8 billion-year-old universe was only about 430 million years ...

New Insights on How Galaxies Are Formed

Mar. 1, 2024 — Astronomers can use supercomputers to simulate the formation of galaxies from the Big Bang 13.8 billion years ago to the present day. But there are a number of sources of error. An international ...

Ultraviolet Radiation from Massive Stars Shapes Planetary Systems

Mar. 1, 2024 — Up to a certain point, very luminous stars can have a positive effect on the formation of planets, but from that point on the radiation they emit can cause the material in protoplanetary discs to ...

Astronomers Discover Heavy Elements After Bright Gamma-Ray Burst from Neutron Star Merger

Feb. 29, 2024 — An international team of astronomers obtained observational evidence for the creation of rare heavy elements in the aftermath of a cataclysmic explosion triggered by the merger of two neutron ...

Metal Scar Found on Cannibal Star

Feb. 26, 2024 — When a star like our Sun reaches the end of its life, it can ingest the surrounding planets and asteroids that were born with it. Now, researchers have found a unique signature of this process for ...

Webb Finds Evidence for Neutron Star at Heart of Young Supernova Remnant

Feb. 22, 2024 — NASA's James Webb Space Telescope has found the best evidence yet for emission from a neutron star at the site of a recently observed supernova. The supernova, known as SN 1987A, was a ...

A New Beginning: The Search for More Temperate Tatooines

Feb. 22, 2024 — Luke Skywalker's childhood might have been slightly less harsh if he'd grown up on a more temperate Tatooine -- like the ones identified in a new study. According to the study's ...