Amazing answers to your curious questions

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

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

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

Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there

The comet dubbed 3I/ATLAS, a rare extrasolar intruder, continues to barrel through the Solar System, attracting interest and speculation from astronomers and space scientists worldwide. Harvard astron