The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to ...

The James Webb Space Telescope reveals turbulent environments found in Sagittarius C, a core part of our Milky Way galaxy.

A bright star within our Milky Way galaxy photobombed a beautiful new image of a distant galaxy with "patchy" spiral arms.

Researchers link two ancient mass extinctions to nearby supernova explosions, which may have damaged Earth's atmosphere and ...

An analysis of star movements from the Gaia spacecraft reveals that the Small Magellanic Cloud — a satellite galaxy bound to ...

Astronomers have identified two massive white dwarf stars in a binary system within the Milky Way, poised for a rare ...

This discovery offers a glimpse into the dramatic and explosive fates awaiting some of the universe's most fascinating ...