A skull found in Petralona Cave in Greece is at least 286,000 years old, revealing the existence of an ancient human species ...

Scientists have discovered a previously unknown asteroid impact hidden in tiny glass fragments scattered across South Australia. Curtin University scientists have contributed to the discovery of ...

Animal life is a recent addition to Earth, relatively speaking. The planet formed about 4.5 billion years ago, with microbial life likely emerging between 4.3 and 3.7 billion years ago. It was not ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, ...

The Red Sea's history is far more dramatic than many might imagine. A recent study has revealed an extraordinary ...

Forecasts for early October indicate that there's almost certainly more activity to come. On Oct. 2, two new potential storms ...

For centuries, humans could only wonder what the far side of the moon looked like. Unlike the near side, which always faces ...

Argentina, from desert to glaciers, north to south, here are amazing places to visit starting in Buenos Aires.