Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

"We have now completed our investigation, and we've taken it offline," a spokesperson added. "However, if the reviewer in question does provide documentation that proves they did have a genuine ...

There's been a raft of announcements in recent months that mean higher bills for consumers - but something you may not have noticed is that many of the price increases will hit at once. On 1 April ...