Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

For decades, climate science has focused on what happens on Earth and in our atmosphere, but new research suggests our planet’s long term rhythms are also being nudged by a neighbor. Scientists now ...

Mars has always been a curious planet, often overshadowed by its larger neighbors, but recent research suggests that the Red ...

The end of November delivered the coldest weather in months to the north-central United States, and in Minneapolis, it was ...

Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases with humid climates and ...

Small, pale spots on the reddish-orange landscape of Mars have turned out to be a new clue that parts of the planet may once ...

NASA's Perseverance rover found kaolinite clay in Mars' Jezero Crater, proving ancient heavy rainfall and tropical-like ...

Minnesota’s largest city was briefly colder than Mars last month. A late-November cold snap in Minneapolis sent temperatures ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

An unusual new rock collection discovered by NASA's Perseverance Mars rover suggests the Red Planet's ancient past was wet ...