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

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

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 ...

A massive asteroid, named 2025 OW, resembling a 25-storey building, is approaching Earth next week. It measures about 220 ...

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

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

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

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

The night sky never stays still. And sometimes, it brings a quiet reminder that we share this vast space with wandering rocks ...

Super Volcanoes Are Worse Than Asteroids explores the potential impact of super volcanoes on Earth. The video discusses their ...

NASA has reported that two large asteroids, 2025 OU1 and 2025 OX, will approach Earth on July 26, 2025. Asteroid 2025 OU1, measuring about 140 feet wide, will pass at approximately 2.68 million ...