stellar evolution
Astronomers Spot Three Interacting Systems with Twin Discs
Using the SPHERE instrument on the ESO's Very Large Telescope, a team of astronomers observed how interaction between disks affects…
The Smallest, Lightest Neutron Star Ever Seen Could be a “Strange Star”
A neutron star lighter than the Sun could be a strange matter star.
When Stars eat Their Planets, the Carnage can be Seen Billions of Years Later
Lithium is the key to determining whether a star has eaten a planet.
Dying Star Puffs out six Smoke Rings
A red giant star is dying in an unusual way by blowing smoke rings before its eminent demise.
These Newly-Discovered Planets are Doomed
Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar…
NASA Simulation Shows What Happens When Stars Get Too Close to Black Holes
What happens to a star when it strays too close to a monster black hole? Astronomers have wondered why some…
Aging White Dwarfs Become Even More Magnetic
A survey of white dwarfs shows they get more magnetic as they age, and we don't know why.
Many Sunlike Stars Gobbled up Some of Their Planets
New research shows that other sunlike stars in our galaxy aren't so kind to their planets. Up to a quarter…
Astronomers Find a Nearby Star That a Spitting Image of a Young Sun
Astronomers have found a young star that is very similar to our Sun, and it could tell us about the…
An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen
Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…