SUNSET: 
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
Supergiant Star Caught Fleeing In Another Galaxy
The discovery of a runaway star in the Small Magellanic Cloud suggests that runaway stars are a common phenomenon in the universe.
“Fast Supernovae” Begin to Reveal Their Secrets
Astronomers have discovered 72 fast and furious explosions, possibly supernovae blasts cloaked in cocoons of ejected gas.
Astronomers Witness X-ray Burst from Newborn Neutron Star
Astronomers have discovered a newborn neutron star in a rare pairing with an old red giant companion.
Look Inside the Orion Nebula
New ALMA observations reveal a fiber-like structures within a longer, well-studied filament. These fibers contain the seeds of future stars.
Neutron Stars Discovered on Collision Course
Got any plans in 46 million years? If not, you should keep an eye out for PSR J1946+2052 around that time — this upcoming merger of two neutron stars promises to be an exciting show!
Neutron Star Powers Ultraluminous X-rays
It turns out that neutron stars — not black holes — power at least some ultraluminous X-ray sources.
60-Second Astro News: Merging Black Holes, Distant Super-Supernova, and Arecibo's Fate
Supermassive black holes en route to merger have strange dynamics in their gas disks. Astronomers have spotted the most distant spectroscopically confirmed supernova. And NSF decides the fate of the Arecibo Observatory.
Amateur Astronomer Captures Supernova’s First Light
In 2016 an amateur astronomer was testing his camera — and captured the first flash of a supernova.
Ringed Disks Don’t Always Mean Planets
Astronomers presenting at the winter American Astronomical Society meeting caution that the features often pointed to as evidence of growing natal planets could form on their own.
Mysterious Cosmic Bursts Traced to Extreme Environment
A repeating fast radio burst first detected in 2012 likely formed within a potent magnetic field — opening up the ambiguity of what caused the mysterious burst.
