A recent discovery suggests Mars may have once had a much larger moon, which could have caused tides in a lake that once ...

Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the missions initially returned negative results, a new study published in the ...

NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world ...

Scientists have found that ancient Martian lakes could have survived for decades despite freezing air temperatures. Using a newly adapted climate model, researchers showed that thin, seasonal ice ...

Mars, the planet we see today—arid, cold, and covered in red dust—may have once been a "blue planet" with a vast ocean that ...

An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth somewhere near Purdue and is one of ...

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...

Networks of narrow channels lining the surface of Martian dunes, called “gullies,” have puzzled astronomers for decades. Now, as detailed in a new paper published in the journal Geophysical Research ...

Two recent discoveries from Mars - one from the surface and one in the atmosphere - are the latest evidence that the Red Planet could have once supported life, according to NASA. The space agency ...

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...