Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

Odds of ‘city killer’ asteroid 2024 YR4 striking Moon increase - It would be one of largest asteroids in recent history to ...

YR4, once considered the highest impact risk to Earth ever recorded, is back in the spotlight — this time due to a slight ...

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 ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

The asteroid 2024 YR4, which was discovered in December 2024, has been making headlines around the world recently. It was initially estimated to be around 40-90m (131-295ft) wide, arger than a 12 ...

Called 2024 YR4, the near-Earth asteroid initially carried a 1% chance of hitting land when NASA and the European Space Agency first announced its existence last month. Protocols require the ...

NASA is monitoring three asteroids soaring past the Earth at about 8,000 to 15,000 miles per hour, the biggest of which ...

NASA is also tracking two other asteroids near Earth today, including a larger bus-sized one called "2025 HR1" that's hurtling through space at around 14,000 miles per hour. Measuring about 42 feet in ...

Image of the asteroid 2024 YR4 taken by ESO's Very Large Telescope (VLT) in January 2025, observed at infrared wavelengths. | Credit: ESO/O. Hainaut The asteroid 2024 YR4, once considered ...