As space scientists around the world scramble to learn more about an asteroid classified as a "city destroyer" that could ...

Every Martian year (which last 686.98 Earth days), the red planet experiences regional dust storms that coincide with summer ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Outside of a handful of valleys in Antarctica, the Atacama is the driest place on Earth. The inhospitable landscape of sand, ...

A total lunar eclipse will occur in Earth's Western Hemisphere on the night of March 13 and early morning of March 14. Here ...

The cloud cover isn't what it used to be, and scientists say it is helping fuel Earth's hottest temperatures on record.

According to a study published in the journal Nature Communications, researchers found an unexpected surge of the radioactive ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

A total lunar eclipse hasn't happened in years, and won't happen again for a few more, so now's the time to take in the dazzling sight. Here's how.

Understand how extreme cold events are changing due to climate change and what this means for our winters ahead.

The moon's orbit is elliptical, or oval-shaped, meaning as its distance from our planet changes, its apparent size changes, ...