The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

Salute Magazine ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

At 900 meters, the giant crater in southern China is three times larger than the previous Holocene recorder holder.

Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: ...