Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

Space.com editor-in-chief Tariq Malik gives you a peek at the biggest piece of Mars discovered on Earth. Currently on display ...

If I were on Mars, how often would I see Earth transit the Sun? Steven RiserConyers, Georgia From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or ...

New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale Crater appear to have been soaked by underground water billions of years ago ...

A huge solar storm struck Mars in 2024, supercharging its upper atmosphere and briefly disrupting spacecraft orbiting the Red Planet.

Mars used to have a warmer and wetter climate, which changed after billions of years because the Sun's solar wind removed ...

Scientists demonstrate that recycled human waste can unlock nutrients in Martian dust, offering a new path for farming on Mars.

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes could travel between planets on asteroids, meaning humans could be descended ...

ESPOO, Finland — China’s Tianwen-3 Mars sample return mission is entering flight hardware development, targeting a late 2028 launch to seek out biosignatures on the Red Planet. The mission has ...

Not even an asteroid blast could kill it.

Even when the idea of terraforming Mars was originally put forward, the idea was daunting. Changing the environment of an entire planet is not something to do easily. Over the following decades, ...

We spend billions imagining what other planets might look like. Meanwhile, Earth regularly flexes landscapes so strange they barely seem real. For example, our planet has bleeding glaciers, sulfuric ...