Heliostats that harness sunlight by day could help detect asteroids by night, offering the U.S. a scalable planetary defense ...

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

"In my opinion, planetary defense is an operational mission which should be formally tasked to U.S. Space Command." ...

You might think Earth has just one moon — but scientists say we’ve actually got a small family of them quietly circling us at ...

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

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

An asteroid the size of the Leaning Tower of Pisa is speeding toward Earth and will make its closest pass on Monday, July 28.

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

NASA scientists have set out the truth about a 220-foot asteroid hurtling 'near' Earth early next week. Naturally, talk of ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

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

According to a new study, Earth's mini-moons may not be from the asteroid belt after all. They're made of Moon.