NASA’s Lucy mission is about to fly past asteroid Donaldjohanson, a strange, elongated rock in the main belt. While this ...

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

NASA has defined asteroids as small, rocky objects that orbit the sun like planets, but they are much smaller in size. Most ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

Space agencies from the US, Europe and Japan are all making plans to visit the asteroid Apophis when it makes an extremely ...

Usually, what springs to mind when you think of the world’s most expensive substances are gold, silver, and platinum. However ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

Researchers using NASA's Hubble Space Telescope have discovered the magnetar called SGR 0501+4516 is traversing our galaxy ...

A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

A planetary scientist explains new research explaining the differing compositions between space rocks that hit Earth and are brought back.

A stunning new image from the James Webb Space Telescope (JWST) is allowing astronomers to examine the complex and turbulent ...