Asteroids

Scientists have discovered that many asteroids have the consistency of piles of rubble. Knowing this, how could we defend Earth against one of these asteroids?

Betelgeuse, one of the most recognizable stars in the night sky, will disappear for several seconds in a rare asteroid occultation on the evening of Dec. 11.

NASA's revitalized OSIRIS-REx probe has begun tucking in one of its solar panels to protect itself from the sun.

In the glare of the sun, an unknown number of near-Earth asteroids move on unseen orbits. A new generation of space telescopes could be our best defense against potential disaster.

The events of 2003 changed the direction of human space exploration — both in our timeline and that of the alternate history series "For All Mankind." The fourth season picks up in 2003.

Some companies hope to one day search for deposits that are literally out of this world — on asteroids.

Scientists have predicted for a long time that elements with around 164 protons could have a relatively long half-life, or even be stable.

Asteroid Dinkinesh is not only a binary, but its satellite is itself a "contact binary" consisting of two space rocks touching one another.

The museum's curator of meteorites had been dreaming of this moment for two decades.

A sizable crowd turned out to see a small rock as the Smithsonian debuted the first display of a piece of the asteroid Bennu from the sample recently brought back by NASA's OSIRIS-REx mission.