An asteroid will whiz by Earth at 29,000 miles per hour. That could cause a big impact, but do we really have anything to worry about?
Learn about gravity, stars, and really big lumps on this Moment of Science.
Mysteries, facts, and the age of the diamond you've been eying...
Kepler’s Telescope has detected over 1200 possible planets. But this discovery is unique. Scientists found two planets in the same orbit in a system!
The Earth is made up of plenty of elements but Chromium is uncommon. This has scientists puzzled.
Why are the planets where they are instead of somewhere else?
The future does not look so bright. What can be done to help stop global climate change?
In 1987, an asteroid came within six orbital hours of hitting earth. What happens if the timing is right?
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?