This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space ...

Four space tourists have safely arrived back on Earth after completing a novel space route on board one of Elon Musk's SpaceX ...

The quartet who rocketed from NASA’s Kennedy Space Center returned via the Pacific Ocean — something that hasn’t happened for ...

Four private spacefarers on a mission known as Fram2 set out to become the first humans to fly in orbit over both Earth's ...

A SpaceX capsule carrying four private astronauts who orbited the north and south poles landed in the Pacific Ocean off the ...

A wealthy bitcoin entrepreneur and three fellow adventurers plunged back to Earth aboard a SpaceX Crew Dragon capsule Friday, ...