On June 30, 1908, an asteroid tore across the sky above a remote part of Siberia before erupting in a cataclysmic explosion.

When we think of planet killer asteroids, survival odds might seem slim. But we aren't defenseless.

Tuesday marks the 10th anniversary of International Asteroid Day. In the decade since the United Nations established the ...

Photos taken by the Italian LICIACube, short for the LICIA CubeSat for Imaging of Asteroids. These offer the closest, most detailed observations of NASA’s DART (Double Asteroid Redirection Test) ...

Let’s get the first question out of the way quickly. Asteroid 2024 YR4, a 50- to 90-meter-wide Earth-approaching object, is likely not going to hit our planet in 2032. But, since the odds of it ...

The likelihood of an impact isn’t low. A 2025 analysis led by the planetary scientist Carrie Nugent estimates asteroids 460 ...

The asteroid Dimorphos, left, is shown with its larger companion Didymos in space as it blasts dust and boulders in a lopsided debris cone following the NASA DART mission on Sept. 26, 2022. Credit: ...

This year’s Asteroid Day has planned events worldwide and online. It acts as a reminder about advances in planetary defense.

Asteroid 2024 YR4 currently has a 4% chance of smashing into the Moon in about seven years. Astronomers are already working out ways to prevent a potential impact. Reading time 3 minutes Asteroid 2024 ...

International Asteroid Day highlights global efforts to detect, track and deflect potentially hazardous asteroids while ...