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

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

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

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

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

Only one of the known Venus co-orbital asteroids follows a nearly circular orbit; the others move on more elongated paths that sometimes bring them closer to Earth, making them easier to detect.

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

NASA is monitoring a giant space rock that is set to zoom past Earth next week – and it's bigger than the Leaning Tower of ...

Ed Lu wants to save Earth from killer asteroids. Or at least, if there is a big space rock streaking our way, Dr. Lu, a former NASA astronaut with a doctorate in applied physics, wants to find it ...

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

These asteroids were likely around when our solar system was forming 4.5 billion years ago. They originated in a different star system. And when our solar system was forming, ...

These asteroids were likely around when our solar system was forming 4.5 billion years ago. They originated in a different star system. And when our solar system was forming, ...