Declassified CIA documents reveal controversial Project Stargate claims about ancient Martian civilization, including giant ...

Massive sunspot AR3576 has been captured by NASA's Solar Dynamics Observatory and the Mars Perseverance rover. Credit: ...

A image from Mars' surface shows a 'winter wonderland' phenomenon on the Red Planet, according to the European Space Agency.

Space agencies worldwide are gearing up missions in 2025 to expand humanity's horizons, from the Moon and Mars to asteroids and beyond.

As humanity sends more and more missions to Mars, it's time to start documenting our space junk and artifacts, researchers ...

Explore Mars' winter wonderland as NASA and the European Space Agency reveal stunning images of the Red Planet's south pole.

The European Space Agency's (ESA) Juice spacecraft launched on April 24 to explore Jupiter's icy moons Ganymede, Europa and Callisto. Juice is currently on an eight-year-long journey to the outer ...

When Butch Wilmore and Suni Williams launched to the space station in June, they expected to stay for just eight days. But they’re still there.

NASA's Perseverance rover uncovers the mysterious blue Atoko Point on Mars, sparking new theories about the planet's geological past and its potential to support life.

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.