Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

U.S. stocks plunged and global stocks slumped after Trump slapped a 10% tariff on most goods imported to the U.S.

U.S. stocks plummeted in their worst session since 2020 on Thursday amid retaliation warnings from around the world the day after ... of us feel let down by our oldest ally," von der Leyen said ...

Taiwan was listed as a country the top of a cardboard sign held up by Trump during his tariff ceremony. But it isn't one, and ...

A devastating meteorite strike over three billion years ago may have been just what early life needed to thrive. While it’s ...

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...