From the highest volcano to the deepest canyon, from impact craters to ancient river beds and lava flows, this showcase of images from ESA's Mars Express takes you on an unforgettable journey across the Red Planet.

US space agency NASA has warned that a huge 1,082 ft asteroid bigger than the Eiffel Tower will break into Earth’s orbit in just over a week.The space rock is heading our way and should skim past us on December 11. NASA has its eye on Asteroid 4660 Nereus because it’s well over 492 feet long and wil

Scott Kelly and his twin brother, Mark Kelly—also an astronaut—were the subjects of the study that sought to find out exactly what happens to the body after a year in space. Scott stayed on the International Space Station from March 2015 to March 2016, while Mark remained on Earth. This was the fina

A view of the Auroras (the Northern/Southern Lights) as seen from the International Space Station during September 2011.

This is a full-resolution version of the NASA Curiosity rover descent to Mars, taken by the MARDI descent imager. As of August 20, all but a dozen 1600x1200 frames have been uploaded from the rover, and those missing were interpolated using thumbnail data. The result was applied a heavy noise reduct...

As 2015 comes to a close we look back at an exciting year of reaching new heights and revealing the unknown for the benefit of humankind.

Watch live coverage as 'Star Trek' actor William Shatner goes to the edge of space on a private Blue Origin flight. If successful, Shatner, who is 90 years old, will be the oldest person to reach space.

Astronomers are combing through fresh data from the James Webb Space Telescope in a never-ending quest to find ever-more-distant galaxies. However, the observatory is still studying a variety of objects, from insanely detailed images of Jupiter to the most distant known star.

The SpaceX Dragon capsule is grappled and berthed to the Earth-facing port of the International Space Station's Harmony module at 12:02 p.m. EDT, May 25, 2012.

Our SpaceX Crew-6 mission safely returns to Earth, the tech demo hitching a ride on our Psyche spacecraft, and studying ancient life on Earth to better understand Mars … a few of the stories to tell you about – This Week at NASA!