An asteroid discovered in December 2024 and named YR4 has a small chance of hitting Earth in 2032. But scientists keep ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

It's not often that a deep-space robotic explorer swings back by its home planet, but NASA's OSIRIS-APEX mission did just that, completing a dramatic slingshot past Earth before racing toward its next ...

Asteroid 2025 YU15 will sweep past Earth at remarkable speed this February, drawing global attention and raising questions about how closely scientists are watching the next celestial visitor.

An asteroid named YR4 is on a potential collision course with the moon, with NASA estimating a 4% chance of impact in 2032. While the scenario might sound like a Hollywood plot, scientists are ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...