Musk—who has a history of setting unrealized goals for his companies—says he wants to send humans to Mars by 2029, though he ...

While it’s likely that the asteroid will harmlessly whiz by Earth, as Apophis is expected to do in 2029 (when multiple spacecraft are expected to study it), it’s crucial for astronomers to ...

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 ...

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 asteroid’s impact probability will continue to evolve—likely diminishing to zero—but 2024 YR4 will officially remain an object of concern so long as its estimated chance of striking Earth remains ...

The asteroid also now rates as a 0 out of 10 on ... 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, astronomers ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

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

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 ...

That exceeds the threat once posed by Apophis, a much larger asteroid that was discovered in 2004. Astronomers initially calculated its chances of hitting Earth in 2029 at 2.7 percent. Further ...