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

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 ...

Space officials estimate the rock is about 220 feet across, making it larger than the Leaning Tower of Pisa at 185 feet. 2025 ...

One of the asteroids, named 2022 AP7, is a little less than one mile wide but has an orbit that could reach Earth's path in the distant future. A timetable is uncertain, ...

Asteroids with this destructive potential are sometimes dubbed "city killers." "We think we've found roughly 40% of those asteroids in the 140-meter neighborhood," Mainzer said.

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 ...

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

The team of physicists from The University of Arizona say they were motivated by the possibility of Compact Ultradense ...

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

California, Colorado, and Oregon ranked among the best states for witnessing the celestial phenomena, according to a recent ...