If some asteroid big enough to do damage has us in its crosshairs, we hope we’ll know about it as soon as we can, giving us enough time, perhaps, to do something about it.

Asteroid 4 Vesta stands near a background star in the evening sky, creating a temporary artificial double star to enjoy.

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

Astrophysicist Adam Becker has strongly criticized Elon Musk's Mars colonization plan, labeling it as utterly unrealistic. In ...

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected evolutionary survival traits. Night lizards (family Xantusiidae) survived the ...

June 30 is Asteroid Day, which honors the Tunguska event in Russia 117 years ago and teaches about asteroids and their impacts on Earth.

An exceedingly rare asteroid flyby will happen soon, but NASA may be left on the sidelines "Nature is handing us an incredibly rare experiment." ...

Asteroid 2024 YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth impact has now been ruled out, the asteroid's story continues.