Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some ...

Any uncertainty in the calculation of the object’s orbit causes variations in the predicted solution. Instead of one precise ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

Learn about the plane-sized asteroid that will pass by Earth the week of July 28, 2025, and find out how astronauts can track ...

Although it won’t hit Earth, an asteroid once labeled a “city killer” is now back in the spotlight — this time, because it ...

NASA currently leads the nation's planetary defense efforts, but some are calling for the Space Force to take control.

Sandia scientist John Sandusky believes he has found a way to put heliostats, which typically turn solar energy into ...

When high-velocity asteroids land on Earth, they can form a meteor impact crater. Such collisions have occurred throughout ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.