"... a pivotal event in our planet's history." This is an Inside Science story. Earth's first continents may have emerged from the oceans roughly 750 million years ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Researchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental ...

ANTARTICA - A teenage pilot with Mid-South ties attempting to complete solo flights to all seven continents was detained in Antarctica, CNN reported. According to CNN, Chilean authorities said Ethan ...