It ultimately was successful, with NASA correctly predicting that it is possible to redirect celestial objects. The asteroid known as Dimorphos was approximately the size of the Great Pyramid of Giza, ...

When a vending-machine-sized spacecraft hit Dimorphos in 2022, planetary defense experts anticipated an easy test of kinetic ...

There are currently no known asteroids on an impact course with the planet. Still, scientists are keeping a watchful eye on ...

NASA’s DART spacecraft (illustrated) just crashed into the asteroid moonlet Dimorphos on purpose in the world’s first test of a strategy for planetary defense.

How does a planetary defense mission intended to push an asteroid off course manage to release a torrent of boulders with the same momentum as the spacecraft? NASA’s groundbreaking experiment, the ...

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

NASA's DART spacecraft attempted to deflect an asteroid about the size of the Great Pyramid of Giza. New work tracking the debris has found a few fairly large surprises.

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

In September 2022, NASA’s Double Asteroid Redirection Test successfully demonstrated how a fast-moving spacecraft could change an asteroid’s trajectory by crashing into it, potentially ...

NASA shuts down asteroid-hunting telescope, but a better one is on the way The NEOWISE spacecraft is on a course to fall out of orbit in the next few months.

NASA Devised a Wild Plot to Capture an Asteroid and Save Humanity. It Almost Failed The space agency defied incredible odds to get its asteroid-hunting OSIRIS-REx spacecraft off the ground.

On Easter Sunday (April 20), NASA's Lucy probe should have zipped past the asteroid Donaldjohanson, testing science instruments on the space rock.