Was SpaceX's first attempt to launch its Starship rocket a failure?

The huge Starship rocket made its first launch attempt on 20 April, but blew up shortly…

Chaotically shifting planets could be a sign of advanced aliens

Simulations show planets that jockey for position around their star and appear to bounce off each…

Astronomers have spotted the biggest cosmic explosion ever seen

The most powerful explosion ever seen seems to come from a supermassive black hole devouring a…

A distant supernova defies our understanding of the cosmos’s expansion

The two main methods of measuring the expansion of the universe have always disagreed, and observations…

Saturn now has over 100 known moons – more than any other planet

Astronomers are still discovering new natural satellites of Saturn and Jupiter, with the latest update seeing…

Absolutely enormous asteroid belt discovered around a nearby star

Astronomers used the James Webb Space Telescope to spot strange asteroid belts around the nearby star…

We've seen a star devouring a planet for the first time

In a preview of what’s to come for Earth in about 5 billion years, astronomers have…

Remnants of the universe's first stars may have been found

The first stars in our universe may have blown up in relatively weak supernovae, and astronomers…

Alien replies to NASA's spacecraft signals might reach us by 2029

Radio signals sent to NASA spacecraft could have already reached four neighbouring star systems, and if…

Alien messages responding to NASA signals could reach us by 2029

Radio signals sent to NASA spacecraft could have already reached four neighbouring star systems, and if…