Most trees are dormant through the winter's coldest months.

NEVER-BEFORE-SEEN footage of the Sun shows incredible towering eruptions exploding into the darkness of space. It was ...

A researcher at Imperial College is testing electric plasma thrusters that use water vapor instead of expensive toxic rocket ...

What if you could block the Sun at will, and film what it hides? ESA’s twin-spacecraft just did exactly that, and the footage is astonishing. Three eruptions, one time-lapse, and a glimpse into the ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

Nuclear fusion has moved from punchline to pitch deck, with tech giants, oil majors and governments all racing to claim a ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

IS this what the end of days looks like after the Sun has swallowed Earth up? Fear not, we’ve got some time to go – ...

AN iPhone that’s less than a year old has had its price dramatically slashed to just £479. The model was the cheapest of ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...