High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its ...

When galaxies collide, it's not a gentle affair, but it does take millions of years. Over this time, the two massive star ...

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars.

A massive coronal hole on the Sun is directing a stream of solar wind towards Earth this week, expected to arrive between ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it ...

Astronomers have achieved the first radio image of a supermassive black hole pair, using the retired Russian RadioAstron ...

The sun's returning coronal hole could stir up geomagnetic storms and dazzling auroras under clear, dark skies this weekend.

A black hole in a distant quasar is growing faster than the usual limit, according to Chandra observations. This may explain ...

The first stars in the universe formed out of pristine hydrogen and helium clouds, in the first few hundred million years ...

At 3-14, the Tennessee Titans were the worst team in football last season, and that appears to again be the case this season. The Titans fell to 0-4 on Sunday with a 26-0 loss to the Houston Texans, ...