Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters) wide, a “size range comparable to that of a large building,” said Dr. Paul Chodas ...

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 ...

Up until August 2024, the WISE spacecraft was one such observatory. The telescope was repurposed for asteroid and comet tracking after its original mission ended. In the next few years ...

When the universe gives you asteroid lemons, you should make science lemonade. The asteroid 2024 YR4, once considered potentially hazardous, isn't likely to hit us anytime soon. Now, a team of ...

After months of speculation, NASA and the European Space Agency (ESA) confirmed Tuesday that asteroid 2024 YR4 poses no significant risk to Earth. Initially feared to have a small but notable ...

On February 7, NASA’s Center for Near-Earth Object Studies calculated that the nearly 300-foot-wide asteroid 2024 YR4 had a 2.3 percent chance of hitting Earth on December 22, 2032. But on ...

And as they learn more about asteroid 2024 YR4's trajectory, the odds of impact are expected to slightly rise before before it's expected – and hoped – they fall to zero, astronomers at the ...