This supercontinent formed hundreds of millions of years ago and helps explain why distant places share similar fossils, why ...
Tsunami advisory issued after new 6.7-magnitude tremor - Details on damage and injuries from the new quake weren't ...
Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...