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

Earth is hit by asteroids all the time, but to avoid severe damages in the future NASA's Double Asteroid Redirection Test ...

In 2022, NASA rammed a spacecraft into an asteroid to see if it could alter its orbital period around its parent asteroid.

Astronomers at the University of Maryland found that a surprising burst of rocky debris released during the DART mission ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

When NASA’s DART spacecraft collided with a small asteroid moon in late 2022, the impact made history. It was the first ...

NASA is about to launch the first mission of its new planetary defense office. A spacecraft will attempt to knock a small asteroid off course by ramming into it.

Calls grow for a global planetary defense strategy as thousands of near-Earth asteroids are discovered each year.

“Having a global perspective on planetary defense is very, very important,” Reddy said, because we can’t think about the problem of planetary defense in terms of individual nations.

Now, the first-ever planetary defense spacecraft is at Vandenberg Space Force Base in California, waiting for its first launch opportunity early on Nov. 24 (late Nov. 23 local time).

But planetary defense isn't hopeless: if humans identify a dangerous asteroid long enough before impact, we could theoretically do something to divert it. You may like ...

Is Planetary Defense PI in the Sky? Sonia Fernandez In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in ...