The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely many more. The most famous of the bunch is Pluto, way out beyond the ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist impression of a large asteroid impacting on Earth such as the Chicxulub event that caused the end-Cretaceous mass ...

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Astronomers have confirmed that asteroid 2024 YR4 no longer poses a risk to Earth; however, there is a 4.3% chance it will strike the Moon on December 22, 2032.Although 2024 YR4 previously noted ...

BEIJING -- An asteroid has been named after the university of China's top science academy, with approval from the Minor Planet Center of the International Astronomical Union (IAU).

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New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life in the dwarf planet's hidden subsurface ocean billions of years ago. When ...