A new discovery suggests that living organisms may exist in places that scientists never before dreamed possible.
Why do meteors come when they do? What does the motion of the planet have to do with meteor speed?
Yes, it's true, Earth has "love handles!" Learn more about Earth's bulge...
Want proof the earth rotates on its axis every 24 hours?
Why did rainforests evolve so much more diversity than other parts of the globe?
Scientists are learning how to look at the inside of earth using earthquakes.
Similarities between Mars and Earth are plentiful...does that mean Mars has life as well?
What is our earth's history? New research suggests that life on Earth has existed without interruption for longer than we thought.
Recently, scientists were able to revitalize a bacteria that's been dead for over 120,000 years! Are humans next?
Some clouds appear light and fluffy. Others dark and menacing. But are all clouds made of bacteria?