Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

J0715-7334 is built different, and appears to be a stranger in our galaxy. Could it have been born from the long-elusive ...

In a tiny, faint dwarf galaxy 150,000 light-years away, astronomers have found a star containing just 1/40,000th of the iron ...

A new study has found that a hidden bias in galaxy models can skew gravitational-wave measurements of how fast the universe is expanding. That finding complicates one of astronomy’s most promising ...

The Super Mario Galaxy Movie, starring Chris Pratt, Charlie Day, and Jack Black, hints at several possible ways Nintendo can ...

A group of undergraduate students stumbled into a cosmic time capsule—one of the oldest stars ever discovered—while combing ...

A developing galaxy cluster dating to about 1 billion years after the Big Bang is shown in this handout image released on January 28, 2026. The white box marks the field of view of the Chandra X-ray ...