If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ice. The close pass sounds ominous, but the science behind these ...

Because it's big enough to be deemed a "city killer," asteroid 2024 YR4 became a source of alarm due to the uncommonly high risk it had of colliding with Earth on Dec. 22, 2032. While Earth may no ...

An asteroid the size of a commercial jet passed closer to Earth than the Moon on September 3, 2025, in a high-speed flyby that drew global attention from skywatchers and astronomers alike. According ...

When Joel Sercel thinks about the promise of extracting valuable resources from asteroids for use in space, he recalls other world-changing technologies that exploded when the time and circumstances ...

Samples taken from the asteroid Bennu are continuing to shed light on the origins of the solar system. Scientists have been studying the samples since NASA's Osiris-REx spacecraft carried them back to ...

In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has discovered an enormous, fast-spinning asteroid that sets a new record. When ...