Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

They were dug out by debris sent violently aloft when an asteroid or comet struck the lunar surface 3.8 billion years ago.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said.

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...

Scientists are closely monitoring a massive asteroid that could strike Earth in 2032, with the potential for catastrophic ...

It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than one ...

An asteroid set to swing by Earth in 2032 has small chance of smashing into our planet, but experts aren't panicking — yet.

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Recovering South Korean shopaholic-turned-climate activist Lee So-yeon used to buy new clothes almost daily -- until a $1.50 ...