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

How many planets are there in the Solar System? It sounds like an easy question, but it’s more complex than you might think – and actually it’s one we still can’t answer. With scientists finding evide

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

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

On 19 October vet Andrew Melville-Smith was driving near the Spencer Gulf in South Australia in his new Tesla Model Y when there was a deafening explosion and he and his passengers were showered with

We humans are always wondering whether we’re alone in the Universe. But what if we are one of a long line of species that were around long before our planet even existed? This intriguing idea, that li