From open letters to congressional testimony, some AI leaders have stoked fears that the technology is a direct threat to humanity. The reality is less dramatic but perhaps more insidious.

A forensic technique more often used at modern crime scenes identified blood residue from large extinct animals on spearpoints and stone tools used by people who lived in the Carolinas millennia ago.

The latest warning by AI experts is bound to create alarm, so its authors should be more specific and clarify their concerns.

Media coverage of Extinction Rebellion’s mass protest was muted compared with that of Just Stop Oil’s snooker disruption.

The group has eschewed disruptive protest in the pursuit of ‘building relationships’.

Animals, the seeds they disperse, and the plants result are part of a delicate and threatened ecosystem on Mauritius.

Surviving solely in zoos and botanic gardens are 33 animal and 39 plant species.

A new discovery challenges understanding of how quickly life recovered from the greatest mass extinction in Earth's history.