YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

NASA is monitoring three aircraft-sized asteroids that will zoom past the Earth later today at around 19,000 to 22,200 miles per hour.

A massive 150-foot airplane-sized asteroid is set to pass Earth tomorrow, prompting NASA to issue a cautionary alert., ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

TUCSON, AZ (AZFamily) — About an hour and a half drive east of Tucson, nestled out in the desert, is a unique structure whose ...

In the second hour of "Connections with Evan Dawson" on 3/11/25, astrophysicist Brian Koberlein explains the science behind the "city-killer" asteroid (which is no longer expected to hit earth).

The first direct visual evidence of the supermassive black hole in the centre of Messier 87 and its shadow. Event Horizon ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...