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 ...

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 ...

it initially carried a 2.7% chance of impacting Earth during its 2029 flyby – then a record. While YR4's impact odds have unseated Apophis, the larger asteroid still briefly hit a higher rating ...

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

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

When an asteroid is identified ... with the threat of barreling toward Earth in 2029. During early assessments of impact risk, Apophis reached a rating of 4 on the Torino Scale, which categorizes ...

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 ...

The last time an asteroid of greater than 30 metres in size posed such a significant risk was Apophis in 2004, when it briefly had a 2.7 percent chance of striking Earth in 2029 -- a possibility ...

The asteroid also now rates as a 0 out of 10 ... a better look at Apophis before and during its close approach to Earth in 2029. Though both YR4 and Apophis are no longer a risk to Earth ...

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 ...