Ripples in time a decade of gravitational wave detections

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?

Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom

An artist’s impression of Cha 1107-7626 accreting material ...

Amazing answers to your curious questions

Although it’s by no means certain, scientists are slowly accumulating evidence that life once existed on the Red Planet

I read recently that scientists allegedly agree that there is no increase in extreme weather events and conditions. If that’s so, the journals I checked must not yet have got the memo. The German Helm