NASA's most accurate atomic clock will be tested on a mission to Venus

A toaster-sized atomic clock in orbit around Earth is far more accurate than existing space clocks.…

White dwarf star is the size of the moon but more massive than the sun

Astronomers have spotted a white dwarf star that is about the same size as Earth’s moon,…

Rare supernova could help us understand the Milky Way’s ancient halo

An unusually large supernova remnant has been seen in the most ancient part of our galaxy,…

Voyagers review: Lord of the Flies in space is full of mystery

Voyagers follows a group of genetically engineered children on their way to a distant planet. It…

We’ve caught a black hole devouring a neutron star for the first time

Astronomers have definitively detected a black hole devouring a neutron star for the first – and…

Jupiter's strange atmosphere may have formed in a gigantic shadow

The mix of gases that make up Jupiter’s atmosphere have long puzzled astronomers, but now it…

The clouds of Venus are too dry to support life as we know it

An analysis of Venus’s toxic clouds found that the amount of water there is more than…

Clays found in Martian crater hint that the planet was once habitable

Parts of Mars may have been habitable for thousands of years, based on analysis of clays…

We finally know when the first stars in the universe switched on

The most detailed observations of some of the most distant galaxies we have ever seen have…

Why the big bang may not have been the beginning of the universe

We once thought the big bang was a single moment, but physicists are now settling on…