Asteroids are some of the oldest objects in the solar system: leftovers from the chaotic time when planets were assembling ...

More space technology must be developed to prevent "city-killing asteroids" from hitting Earth, experts recommended at a recent science conference. While the risk is low, mid-size asteroids near ...

In the vast expanse of space, an estimated one million Near Earth Objects (NEOs), also known as near-Earth asteroids, are constantly orbiting close to our planet. Every night, astronomers track NEOs ...

More than half of the near-Earth objects large enough to destroy a city have never been spotted by any telescope on or off the planet. NASA estimates the total population of these objects at roughly ...

Asteroids are small rocky bodies that travel around the Sun. They are much smaller than planets. They are very important because they can give us clues about the early composition of the Solar ...

NASA's Parker Solar Probe captured this image showing the nightside surface of Venus. A family of asteroids share the planet's orbit, and two new studies suggest that one day the space rocks could ...

NASA warns that more than 15,000 asteroids capable of destroying cities remain undetected and that Earth has no defense against impact.

In the vast expanse of space, an estimated 1 million Near Earth Objects (NEOs), also known as near-Earth asteroids, are constantly orbiting close to our planet. Every night, astronomers track NEOs ...