For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

But both percentages rise above the 2.7% chance of collision once associated with an asteroid discovered in 2004 called Apophis, making 2024 YR4 the most significant space rock to be spotted ...

Read the latest. The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the threat once posed by the infamous Apophis. While YR4 still has ...

A similar scenario unfolded in 2004 with Apophis, an asteroid initially projected to have a 2.7% chance of striking Earth in 2029. Further observations ruled out an impact. NASA did note ...

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

Chances an asteroid may hit Earth in 2032 dropped to near zero, astronomers say. Here's what to know about 2024 YR4.

The space rock caused quite a stir after astronomers first spotted it last year on a trajectory bringing it uncomfortably ...

Agency looking at ways to use planet-threatening rocks’ tiny gravitational fields to slightly alter their trajectories ...

The asteroid also now rates as a 0 out of 10 on ... NASA and the European Space Agency are also interested in getting a better look at Apophis before and during its close approach to Earth in ...