It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

This is not a drill. There is a chance - albeit a small one - that an asteroid could hit planet Earth within the next decade.

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Scientists recently completed computer simulations of what would happen to Earth if it were impacted by an asteroid with a ...

The odds that asteroid 2024 YR4 could hit Earth in 2032 recently spiked from a little more than 1% to 2.3%, but astronomers ...

Twenty-four years ago, a spacecraft with no landing mechanism touched down on a chunk of rock in space. Defying all odds, the Nasa spacecraft became the first in history to not just orbit a minor ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

If it hits, the explosion would be 500 times as powerful as the atomic bomb dropped on Hiroshima and have a blast radius of ...