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

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth in ...

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

Based on its path, speed, and size, scientists have determined potential impact sites for YR4 in 2024. Impact projections are ...

Scientists are closely monitoring asteroid 2024 YR4, which has a 2% chance of hitting Earth in 2032. Initial tracking was ...

telescope in Chile observed a new asteroid near our planet. Dubbed 2024 YR4, the object—somewhere between 40 and 100 meters in size—was spotted on December 27. The asteroid’s closest ...

Asteroid 2024 YR4, as it's been designated, was flagged by the International Asteroid Warning Network (IAWN) for its potential to impact Earth on 22 December 2032. "This is one of the highest ...

Asteroid 2024 YR4 has a 1.3% chance of impacting Earth in 2032, NASA reports. Astronomers all over the world are watching the asteroid, trying to narrow down its future path. The risk will likely ...

Even so, the object — called asteroid 2024 YR4 — is Earth's biggest known impact threat in 20 years and it's already triggered international planetary-defense planning. What's the threat level?

The next close approach of asteroid 2024 YR4 is projected for December 22, 2032, when it may pose a potential danger, with an estimated 1.2% chance of impact. Asteroid 2024 YR4 rises to the top of ...

“But it deserves attention.” First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to 330 feet (40 to 100 ...