Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

The M-MATISSE project, which stands for Mars Magnetosphere ATmosphere Ionosphere and Space-weather SciencE, began in 2021, ...

Scientists have peered more than 600 feet under the surface of the planet Mars using sensitive instruments, and their data is consistent with evidence of dried lava flows from billions of years ago.

Not every unusual surface feature is a sign of water on Mars, and studies like this one help clarify where and how we continue our search for signs of life. In space exploration, ...

In fact, Mars is home to Olympus Mons, the largest known volcano in the solar system. The Lowell Observation says the volcano is more than twice the height of Mount Everest, at roughly 72,000 feet ...

But the deep sea of magma, hidden below Mars’s solid mantle and kept molten by radioactive elements, is exotic. “It does not exist on Earth,” Dr. Khan said, and its presence may require a ...

Catastrophic Flooding. More than 3.5 billion years ago, water flowed freely across the surface of Mars, forming lakes and seas. New research shows how these lakes may have overflowed and burst at ...