Ms. Petrova is a Russian scientist who works in a lab at Harvard Medical School. She told her story through a Times Opinion ...

Why do lions hunt in groups while tigers prefer to hunt alone? Discover the fascinating reasons behind their contrasting ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

In East Antarctica, a vast mountain range is hidden beneath thousands of meters of ice where it's been trapped for millions ...

Tegus, once thought to be newcomers, actually roamed ancient Georgia during a global warm spell millions of years ago — a ...

An abrupt change in Antarctica has caused the continent to gain ice. But this increase, documented in NASA satellite data, is ...