A deceptive difference having to do with Earth's and Mars's gravity may be the reason why NASA's rovers get stuck in the otherworldly sands.

After a scrubbed launch on Thursday, four astronauts lifted off from Florida and will dock at the International Space Station on Saturday.

NASA and SpaceX's Crew-11 mission is made up of two U.S. astronauts, one from Japan and a Russian cosmonaut. They'll be ...

"This breakthrough enables scientists to do something that was impossible until now," according to the system's creators.