41–60 of 362 results

Stellar Science

Surprise Discovery of a 14-Year-Old Supernova

Much of today’s astronomy happens via methodical searches, but sometimes serendipitous discoveries still surprise us. Such is the case with the transient CGS2004A, a possible supernova recently detected in a galaxy nearly 50 million light-years away.

Stellar Science

Seen at Last: A Superfast Jet Streams Away from Neutron-star Smashup

A new finding suggests that LIGO’s neutron-star merger was a typical gamma-ray burst after all.

Stellar Science

What Makes Supernovae Superluminous?

A new technique gives astronomers a closer look at what makes some stellar carnage so incredibly luminous.

contact binary star

Stellar Science

Typo Throws Off Timing for Expected Binary Star Merger

Revised data changed expectations for a star pair that was supposed to merge in 2022.

CHIME

Stellar Science

The Storm Begins: Canadian Telescope Spots Its First Radio Burst

The first "fast radio burst" detected by the Canadian CHIME radio telescope is a tantalizing hint of what’s to come.

Eta Carinae

Stellar Science

Sibling Rivalry Caused Eta Carinae's Historic Explosion

Faint echoes of light illuminate what really happened during the Great Eruption of the super-star Eta Carinae.

Gaia

Stellar Science

Mind the Gap: Gaia Mission Reveals the Insides of Stars

Astronomers have discovered a hiccup in stellar luminosities that may point to a new understanding of stellar structure.

supernova 1987A

Stellar Science

Wheel-spoke Magnetic Field in Supernova 1987A

Researchers have mapped the magnetic field in Supernova 1987A, shedding light on how stellar blasts act as particle accelerators.

tidal disruption event illustration

The Black Hole Files with Camille Carlisle

Black Hole Destroys Star and Shoots Jet

Astronomers have watched the growth of a jet fueled by a shredded star.

Stellar Science

The Aftermath of GW170817: Neutron Star or Black Hole?

A team of scientists says we now have an answer to one of the biggest mysteries of GW170817: after the neutron stars collided, what object was formed?

Dusty starburst galaxy (art)

Stellar Science

Too Many Massive Stars in Universe's Youngest Galaxies

A new method of measuring star formation in the earliest galaxies finds that they’re producing more massive stars than expected — a result that could affect our understanding of how galaxies grow their stars.

Stellar Science

A Massive Neutron Star with a Two-Faced Companion

How massive can a neutron star get? In a recent study, scientists may have identified the most massive neutron star yet — by leveraging observations of its highly irradiated companion.

G2 en route to black hole

The Black Hole Files with Camille Carlisle

More Mystery Objects in the Galactic Center

Astronomers have discovered three more red, dusty objects near the Milky Way’s central black hole that could be merged stars.

Comet Swarm

Stellar Science

What’s Going On with Tabby’s Star? It’s Complicated

Two new studies — one by a group of high school students — are investigating the strange environment around Tabby's Star.

Supernova Remnant E0102

Stellar Science

Astronomers Discover Lonely Neutron Star with a Curious Past

New observations have helped astronomers identify the source of a 2,000-year-old supernova explosion. But this blast, and the neutron star that created it, seem to have a curious history that defies explanation.

Pulsar-brown dwarf system

Stellar Science

A Magnifying Glass for a Pulsar

Astronomers have discovered a pulsar that comes with its own magnifying glass — courtesy of its brown dwarf companion that’s being torn to shreds.

3D View of Musca star-forming cloud

Exoplanets

60-Second Astro News: 3D View of Star-Forming Cloud & A Cloud-Free Exoplanet

This week in astronomy news: Researchers discover the first completely cloud-free exoplanet and a star-forming cloud reveals its structure through vibrations.

Neutron star collision

Stellar Science

Gravitational Waves Shed Light on Neutron Star Interiors

The gravitational-wave detection last year of a neutron star merger has revealed details on neutron star structure, ruling out exotic quark matter in the objects’ cores.

Gamma-ray emitting supernova remnants

Stellar Science

Gamma-ray Supernova Remnants Shed Light on Cosmic Rays

Astronomers have found the gamma-ray-emitting remains of three exploded stars, and the remnants might reveal the origin of cosmic rays.

Galaxies

Globular Clusters Shine in a Galaxy Lacking Dark Matter

You may have seen recent news about NGC 1052–DF2, a galaxy that was discovered to have little or no dark matter. Now, a new study explores what NGC 1052–DF2 does have: an enigmatic population of unusually large and luminous globular clusters.

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