Mars, long painted as a frozen desert, is starting to look more like a planet that once knew the feel of warm rain and ...

Ancient Mars once teemed with flowing rivers, forming vast drainage systems. A new study has mapped these large basins, ...

What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

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 ...

Time may seem like a constant force, but according to a new study published on December 1 in The Astronomical Journal, the ...

A new study from The University of Texas at Austin presents the first planet-wide mapping of large river basins on Mars, ...

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

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

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

The first global atlas of Martian watersheds reveals 16 huge ancient river systems that once shaped Mars and may hold clues ...