Tracks in Australia appear to be the earliest known amniote prints — a group that includes reptiles, birds and mammals.

Forty years ago this month, scientists reported that human activities had punctured Earth’s protective ozone layer. What ...

The slice of code — a stretch of DNA that acts like a dial to turn up the expression of certain genes — expanded the outer ...

System improves chip designs and tackles unsolved maths problems, but has not been rolled out to researchers outside the ...