Astronomy
-
Astronomy
The votes are in: Exoplanets get new names
Arion, Galileo and Poltergeist are just three winners of a contest to name planets and suns in 20 solar systems.
-
Astronomy
Exploding star is the brightest supernova ever seen
The brightest known supernova put out more energy than 500 billion suns.
-
Astronomy
As first run of gravitational wave search winds down, rumors abound
Advanced LIGO has completed its first search for gravitational waves. Researchers are crunching the data as rumors swirl of a detection.
By Andrew Grant -
Astronomy
Readers ponder mysterious origins of oxygen on comets and Earth
Readers pondered the origins of oxygen within a comet and during Earth's history.
-
Astronomy
Clues left at a galactic hit-and-run
Scientists may have discovered a dwarf galaxy that triggered a “galaxy quake” when it buzzed by the Milky Way a few hundred million years ago.
By Andrew Grant -
Astronomy
Red giants map how the Milky Way grew
A new catalog of the ages of our galaxy’s stars confirms that the Milky Way grew from the inside out.
By Andrew Grant -
Astronomy
Newfound gas cloud may be graveyard of first stars
A 12-billion-year-old gas cloud, rich in hydrogen and helium but nothing else, may house the remains of the universe’s first stars.
By Andrew Grant -
Astronomy
To search for an advanced civilization, take a U-turn to star clusters
Globular star clusters might be safe, stable homes for long-lived advanced civilizations.
-
Astronomy
This black hole is an extreme recycler
A cosmic pump powered by a supermassive black hole is recycling gas through a galaxy.
-
Astronomy
Black hole burps up gobbled gas and dust
Two belches from a supermassive black hole are drifting away from another galaxy.
-
Astronomy
Supernova captured in quadruple comes back for an encore
A supernova that has already appeared four times is back for an encore.
-
Astronomy
‘Bones’ in Milky Way could help map galactic structure
Six newly discovered tendrils of interstellar gas might be “bones” of the Milky Way that could help researchers understand the scaffolding of our galaxy.