Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

During a partial solar eclipse, the moon passes between the sun and Earth. The moon casts a shadow on Earth and only partly ...

Millions of Americans may have the chance to witness a partial solar eclipse on March 29, when the moon passes between the ...

Scientists using a submersible robot discovered patterns under the Antarctic ice that have never been seen before by humans.