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

A small uncrewed spacecraft is buzzing the moon, with under two weeks remaining before its bold attempt to land on the lunar ...

A research team led by Dr. Sofia Sheikh of the SETI Institute, in collaboration with the Characterizing Atmospheric Technosignatures project and the Penn State Extraterrestrial Intelligence Center, ...

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

NASA's Jet Propulsion Laboratory has declared a 1.6% chance that a large asteroid would strike the Earth when on Dec. 22, ...

Scientists say they have spotted a rare circle of light in space, which comes from a far-away galaxy ... galaxy which is closer to Earth - 500 million light years away - which scientists say ...

This gas giant is nearly three billion miles away. But scientists have found ... title as the most distant exoplanet discovered thus far is OGLE-2005-BLG-390Lb at a stunning 21,526 light years from ...

is the date that 2024 YR4 will pass closest to Earth. How far away is Asteroid 2024 YR4 from Earth now? Asteroid 2024 YR4’s current orbit is taking it away from Earth; it’s currently about 30 ...