Asteroids come in all shapes and sizes--and hit our planet in them, too. But what happens if a catastrophically large one approaches earth? By looking on the ground at historical asteroid craters and present-day falls, and up into space for the big ones yet to come, a wide variety of scientists are trying to figure out how to track asteroids--and how to avoid devastating impacts in the future.--

After discovering an asteroid heading straight for Earth, Sid and his friends set out to warn those in its path.

A detailed description of asteroids, comets, and meteors along with hands-on experiments and observations and full-color photographs taken by telescopes on Earth and in space.

A NASA spacecraft named Lucy blasts off from Cape Canaveral on a mission to the Trojans, a group of asteroids over 400 million miles from Earth thought to hold important clues about the origins of our solar system. Just hours before, in Senegal, West Africa, a team of scientists sets out to capture extraordinarily precise observations vital to the success of the Lucy mission crucial data needed to help NASA navigate Lucy to its asteroid targets across...

Astro, an asteroid that wants nothing more than for his personal outer space to be respected, is hit by a passing satellite and sent on what turns out to be a great adventure from the asteroid belt to Earth. Includes space facts.

The revealing documentary of Earth explores the planet's most epic moments. From the first raindrops that turned it into a water world to the arrival of its most incredible inhabitants, us. But humans take a back seat in this narrative. Instead, Earth is placed center stage. We see what happened to our world before we even crawled from the mud, including massive bombardments from space, extreme changes in climate and the collision of whole continents....

When an asteroid has an 84.7% chance of colliding with the Earth in four days, eleven-year-old Kemi, who loves scientific facts and probability, assembles a time capsule to capture her family's truth as she tries to come to terms with saying goodbye.