Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...

For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” ...

Before astronauts set foot on Mars, they’ll need to find the right place to land—and survive. New research led by planetary ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

Scientists have spent decades scouring the Martian surface for any signs of life. Now, a photo snapped by NASA 's Curiosity ...

The idea of terraforming Mars—essentially reshaping the planet to support Earth life—has captured imaginations for decades.

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

Today the Arctic is still a site of peril and promise. A new race to the North Pole is under way, as politicians dream of ...

Elon Musk envisions humanity's future on Mars, driven by the need to safeguard civilization from Earth's existential threats. SpaceX's Starship and St ...