Asteroids
Dawn Will Show How Different Two Asteroids Can Be
It's called Dawn, and in a little more than a year, this spacecraft will blast off from Florida, bound for…
Dr. David J. Tholen Answers Your Asteroid Questions
A few days ago we asked you to send in your Near-Earth asteroid questions for Dr. David J. Tholen from…
Asteroid Threat Ruled Out
Astronomers have now ruled out the possibility that Asteroid 2004 MN4 will strike the Earth in April 2029. Scientists from…
Asteroid Threat Upgraded to 1 in 45
The probability that Asteroid 2004 MN4 will strike the Earth on April 13, 2029 has actually been upgraded to a…
Asteroid 2004 MN4 Gets the Highest Score on the Torino Scale
A newly discovered 400-metre (1,300 ft) asteroid has been given a 2 on the Torino asteroid impact scale; the first…
Why Eros Has So Few Craters
When the NEAR spacecraft approached the Asteroid Eros in 2000/2001, scientists found much less small impact craters than they were…
Toutatis Safely Passes the Earth
As predicted, Asteroid Toutatis made its closest approach to the Earth today, passing a mere 1.5 million km (930,000 miles)…
Toutatis Sneaks Past the Earth on Wednesday
Asteroid Toutatis, a frequent visitor in our neighborhood, will pass as close as 1.5 million km (960,000) miles to the…
What Impact Would Set the World on Fire?
When a huge asteroid slammed into the Earth 65 million years ago, it began a catastrophic chain of events that…
New Plan to Move an Asteroid
The European Space Agency is considering an ambitious new mission that will attempt to move an asteroid. Named Don Quijote,…