NASA’s experimental Mars helicopter rose from the dusty red surface into the thin air Monday, achieving the first powered, controlled flight on another planet. The triumph was hailed as a Wright Br...

One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur king probably roamed Earth over the course of a couple million years, a new study fi...

Authorities on the eastern Caribbean island of St. Vincent said Thursday they believe an active volcano is in danger of erupting and have ordered mandatory evacuations. The island’s emergency manag...

A handful of coins unearthed from a pick-your-own-fruit orchard in rural Rhode Island and other random corners of New England may help solve one of the planet’s oldest cold cases. The villain in th...

The scientist who won the race to deliver the first widely used coronavirus vaccine says people can rest assured the shots are safe, and the technology behind it will soon be used to fight another ...