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

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

There's a lot less sky and a lot more moon in view for Firefly Aerospace's "Ghost Riders in the Sky" mission.

Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while ...

As dark moonless skies make new observations of asteroid 2024 YR4 possible, researchers are refining its orbit — and its ...

So while the threat means real albeit small, the natural question is what does this mean for us back on Earth, given ...

Firefly Aerospace's Blue Ghost moon lander reached lunar orbit on Thursday (Feb. 13) and snapped some photos to commemorate ...

The moon reached its peak brightness at 8:53 a.m. EST (1353 GMT) on Feb. 12, but local moonrise and moonset times will depend ...

As of Jan. 31, 2024 YR4 is 30 million miles from Earth and moving farther away on its outbound path around ... continue its orbit around the Sun and will safely return to Earth’s neighborhood in 2028 ...

An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with ...

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