The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Now, scientists have devised a clever new way to predict where the pieces may land.

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—pose a risk to humans when they fall to ...

A new analysis suggests modern satellite networks could suffer catastrophic collisions within days of losing control during a major solar storm. The phrase “House of Cards” is often associated today ...