Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

Kristen Stewart plays one of those remnants: a little yellow SMART buoy we first see trapped in ice in a desolate landscape.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

This was when the Earth was one continent called Pangaea that slowly broke apart and spread out to form the continents we ...

The acidification of the oceans around Australia continues (pH is decreasing), with changes happening faster in recent decades. Increasing CO 2 in the atmosphere will continue to drive ocean ...

The power of darkness grows..." Watch in Movie Theaters on December 18th, 2002 - Buy The Lord of the Rings: The Two Towers Movie Tickets Watch on DVD or Blu-ray starting August 26th, 2003 - Buy ...