Nestled in the Sierra Nevada mountains, Lake Tahoe is a jewel of both California and Nevada. Its crystal-clear waters are ...

Mars may once have hosted a warm, ocean-bearing environment, according to new data collected by a rover that explored an area ...

Mars may once have hosted a warm, ocean-bearing environment, according to new data collected by a rover that explored an area ...

Mars may have once had a vast, ice-free ocean, according to new evidence from China’s Zhurong rover. Using ground-penetrating ...

Scientists have used orbiters and rovers to find dried streams, lakes, and gullies on Mars that hint at its watery past, but ...

If the findings hold up, the buried shorelines tell a compelling story of the last days of oceans on Mars. Based on the ...

"The structures don't look like sand dunes. They don't look like an impact crater. They don't look like lava flows ... Such deposits would not form at the edges of a lake. "The bigger the body of ...

This 2023 astronaut photo shows a series of slowly moving "star dunes" in the Erg Chebbi region of Morocco. Most of these massive structures are likely several centuries old.

"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 ...

Aloha, Sandpoint! We know how breathtaking a North Idaho winter can be, but when the short days and frigid nights start to ...