Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

This Sunday, an asteroid larger than Manhattan – large enough it could end civilization, or at least wreck a country – is ...

"I've never seen anything like it before," the hiker noted of the historic meteorite impact site in the viral TikTok clip.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

Researchers have unveiled a cosmic cycle where carbon, created in the explosions of stars, travels through space via a ...

NASA has decided it's going to pursue parallel missions to attempt to retrieve samples of rock on Mars collected by rovers.

Don’t space out or you’ll miss it. A once-in-a-generation asteroid broader than the width of Manhattan will be passing by the Earth — and there’s a chance you can see it for yourself.

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

The ground on Mars is full of nitrogen, a vital component for planet life, raising hopes that it might be more hospitable ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Alinda is one of the five largest near-Earth asteroids, coming closer than 9.3 million miles until the year 2200.

The early Earth was an extreme place. Asteroids pommeled the surface. Volcanoes spewed lava and carbon dioxide. The thick, ...