Elon Musk makes offer to buy Twitter
The boss of Tesla claims he wants to unlock the social media platform's "extraordinary potential".
Category Archives: Science
Scientists map Caribbean coral reefs to tackle climate change
Scientists map coral reefs in the Caribbean to identify those most likely to survive climate change.
Nasa scientists spy ‘largest ever comet’
It's 85 miles wide, which is larger than the US state of Rhode Island. And it's coming this way.