Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

Scientists have found 20 large asteroids near Venus with erratic orbits that could one day collide with Earth, posing a ...

President Donald Trump announced a plan to build a missile defense system, called the Golden Dome. How exactly does it work?

An asteroid the size of a 10-story building could collide with the Moon in 2032 – and NASA just upped its impact odds again ...

YR4 is a tailor-made asteroid for planetary defence efforts — it has everything it takes to get our attention." ...

Travelers cart their luggage through the international arrivals area at the Los Angeles International Airport in Los Angeles, ...

A SpaceX Falcon 9 rocket about to blast off from Florida's Space Coast will carry a crew of four international astronauts on ...

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Two SpaceX rockets have soared over California so far in June after launching from the Vandenberg Space Force Base, and more are on the way.