The space rock between 130 and 300 feet long has caused quite a stir since astronomers first spotted it late last year on a ...

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

A similar scenario unfolded in 2004 with Apophis, an asteroid initially projected to have a 2.7% chance of striking Earth in 2029 ... was a possibility it could hit over the eastern Pacific ...

But both percentages rise above the 2.7% chance of collision once associated with an asteroid discovered in 2004 called Apophis ... that grain will not be on top of the Earth.

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

The chance that an asteroid capable of wiping out a city will hit Earth in ... significant risk was Apophis in 2004, when it briefly had a 2.7 percent chance of striking Earth in 2029 -- a ...

YR4's discovery even prompted no shortage of comparisons to Apophis ... of impacting Earth. Those odds steadily increased before peaking at 3.1%. While those odds may not sound high, that ...

The most likely scenario is that, by that time, you will be able to say, look, we can prove it's not going to hit Earth, but there ... with the asteroid Apophis in 2004, which reached a couple ...