Scientists have a new estimate for the geological age of one of Mercury's oldest regions.
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?
In 1987, an asteroid came within six orbital hours of hitting earth. What happens if the timing is right?
LEGO? Really? Yes, LEGO is being used as a model for an upcoming asteroid landing.
How many times have you actually seen a star explode or a asteroid at night? Have ever learned about how the records of these events are taken? Then tune in.
What is exogenesis? Is it possible that life on earth did not begin here... on earth?
In 1987 an asteroid measuring a half a mile in diameter came by, missing our planet by a measly six orbital hours. Learn more on this Moment of Science.
We usually think of craters as being very old, but some have formed quite recently. Learn about the last asteroid to hit the moon on this Moment of Science.
Although the earth has been hit by asteroids in the past, and will surely be hit again someday, much of the gloom-and-doom you hear about in the media is based on very little data.