"Failed star" brown dwarfs may get a second chance to shine by colliding and merging to birth a new star.

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

Astronomers have used the XRISM spacecraft to discover a star being devoured by a stellar companion, solving a century-old ...

A naked-eye star’s 50-year mystery is solved—its bizarre X-rays come from a hidden, feeding white dwarf.

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

A tranquil-looking cloud of gas and dust might not sound like much to get excited about, but it's home to one of the most fundamental phenomena in astronomy: star formation. This is the star-forming ...

The article highlights a specific celestial event on December 27, 2025, detailing the transit of Io and its shadow across Jupiter's disk. It provides guidance for observing the constellation Auriga, ...

Astrophysicists have achieved an eye-opening leap in understanding stellar death, capturing unprecedented, detailed images of two exploding stars that demonstrate these blasts are far more complicated ...

Cleostratus was a truly pioneering Greek astronomer who lived on the small Aegean island of Tenedos in the 6th century BC.