"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 ...

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

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 ...

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

All of us have a responsibility to protect our home planet. After all, it’s the only one we have, NASA Administrator Bill ...

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

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 ...

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, ...