Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

Rapidly fading blue outbursts were once thought to be caused by unusual supernovae. The discovery of the brightest such event ...

Astronomers have found compelling evidence that at least some fast radio bursts originate from stars in binary systems rather than from isolated objects. An international group of astronomers, ...

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

It is theoretically possible for a particularly massive star to collapse in on itself to form a black hole rather than ...