YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...

Asteroid 2024 YR4 has become a staple in science news columns. This space rock has a fluctuating but small chance to hit our planet around 12 pm UTC on December 22, 2032. This chance will likely drop ...

Here's how scientists deflect asteroids after experts reveal exact locations where 'city destroyer' could hit.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

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

A nearly 98 percent chance it won’t hit us is pretty good. Second, while that’s definitely a massive rock, it’s not like a ...

An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with ...

This dangerous asteroid will be the target of observations by the James Webb Space Telescope. Astronomers will use the ...