Scientists have discovered asteroids that are relics from the solar system's early history.
The most common asteroids in the solar system may have started out as giant balls of mud, rather than as rocks, as scientists previously thought, a new study finds.
NASA has released video and simulations of how it would try to save the planet if a "life-threatening asteroid" were on course to collide with the Earth.
Today is Asteroid Day, when colleges, museums and observatories across the globe are striving to raise awareness about the wonders and potential dangers of asteroids.
The last day of June is an international recognition of Asteroid Day, a global, public discussion of the hazards posed to Earth and our civilization by asteroid and comet impacts. ...
Asteroids are one of the most serious threats to life as we know it, but scientists and skywatchers have gotten pretty good at predicting exactly when and where the dangerous rocks...
This Saturday at roughly 2:38 AM Eastern Time an asteroid bigger than a football stadium will whiz past Earth at 28,000 miles per hour and almost certainly not hit us.
An astrophysicist has warned that Earth could be hit with a surprise asteroid strike, according to news reports.
A depression huge and deep on Mars has left astronomers baffled.
In an effort to mine precious metals worth potentially trillions of dollars and aid interstellar travel, China has plans to build a base on an asteroid, likely to happen "in the ne...