A faint, ancient star sitting inside one of the smallest known galaxies has handed astronomers a direct chemical record of ...

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

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

The team found the center of the galaxy expels enough gas to form seven suns each year. When you purchase through links on ...

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

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 ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived telescope observations from 2020, astronomer Anastasios (Andy) Tzanidakis ...

Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive star. Its ...

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.