An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see ...

China is recruiting for a planetary defense force to combat the threat of asteroids colliding with Earth.The successful ...

9, 2024 — Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt. They used their approach to detect more than 100 new asteroids, ranging from the ...

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

Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

In 2021, NASA gave the all-clear to another potentially worrisome asteroid, Apophis, after new telescope observations ruled ...

The likelihood of Asteroid 2024 YR4 colliding with Earth in 2032 has increased to 3.1%. Watch the viral animation video of ...

That one was estimated to be about 6.2 miles (10 kilometers) in diameter and marked the last known large asteroid to hit our world. Planet killer asteroids are space rocks that are 1 kilometer ...

The threat posed by asteroids and comets that could potentially strike Earth is measured on the 11-point Torino scale: The higher the score, the greater the risk that a traveling space object will ...