By Will Dunham WASHINGTON (Reuters) -Astronomers have spotted two hefty white dwarf stars - highly compact stellar embers - ...

Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

each milestone has revealed new layers of the galaxy's complex structure and motion. While stellar surveys continue to expand in volume, our view of the Milky Way remains severely obscured ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

The final messages sent to Gaia will continue to be carried out into space as the observatory sleeps, and as data from it ...

The researchers confirmed that two enormous stars, each more than 20 times the mass of the sun, are growing inside ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

Our own Milky Way has a 4 million solar mass black hole ... it could degrade our ozone layer and lead to a mass extinction. A third possibility is that a powerful jet could alter the interstellar ...

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

Starquakes in stars from cluster M67 reveal hidden pauses that mark major internal changes. These pauses improve how we estimate star ages.

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more ...