Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" ...

YR4 has a very small chance of striking Earth when its orbit briefly intersects our planet's in December 2032.

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

Between layoffs and the Trump administration's controversial buyout offers, both agencies are in for a steep headcount ...

NASA and its partners have successfully tested a nuclear thermal propulsion (NTP) fuel that could revolutionize deep-space ...

NASA said Wednesday that new data collected overnight cut the probability of asteroid 2024 YR4 hitting Earth to 1.5%. The ...

The lander, Blue Ghost, fired its engines for four minutes Thursday to propel the spacecraft into lunar orbit ahead of a ...

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

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

By switching the next space station crew to a different ferry ship, the Starliner astronauts will get home a bit earlier than ...

Astronomers are closely monitoring asteroid 2024 YR4, which once had the highest recorded impact probability for its size.

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of ...