Near-Earth asteroid

Solar System

How Often Do Chicxulub-level Asteroids Hit Earth?

Asteroids of different sizes crashing on Earth originated from different parts of the main asteroid belt, researchers say; the finding has implications for how often such collisions happen.

Near-Earth asteroid passing Earth

Solar System

Karma Asteroid Family Might Be Sending Members Near Earth

New simulations have identified the Karma family of asteroids in the main belt as a potential source of near-Earth asteroids.

2020 XL5 orbit

Solar System

Second Earth Trojan Asteroid Discovered

A recently discovered asteroid appears to be an Earth Trojan, orbiting a gravitationally stable area with only one other known occupant.

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