Count down the days left until the XF11 asteroid is scheduled to pass possibly within 30,000 miles of Earth in the year 2028.

Read this press release on the XF11 asteroid and its estimated pass within at least 600,000 miles from Earth in the year 2028.

Discover compelling facts from the museum that support the asteroid-impact theory of the extinction of the dinosaurs.

Enjoy computer simulations of asteroid impacts, along with basic facts about these celestial bodies and links to related resources.

Read a profile about the possibility that an asteroid about a kilometer in size could collide with the Earth in 2044 or 2046.

Presents an initial report on the Near Earth Asteroid Rendezvous, including information gathered on the course of the XF11 asteroid.

Examine a list of Potentially Hazardous Asteroids with the date and closest encounter distance with the Earth.

Read eyewitness accounts of the controversial meteorite that reportedly slammed into Siberia in 1908.

Pummel your favorite planet with projectiles from space. Choose the characteristics of the projectile and learn what the damages would be.

Article ponders the fifty-fifty chance that an asteroid will hit the Earth in the next 100 million to 1 billion years.

Explore the research conducted by this Australian group on the risk, location, nature, and probability of comet impact-related tsunamis.

UK-based committee reports on the possibility of a collision with an asteroid, comet or other Near Earth Object. Full text is in .pdf format.

View the official photos that revealed the XF11 asteroid. Learn about the equipment used and the object's current coordinates and trajectory.