Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

NASA has collaborated with some private players and academic institutions to develop the Quantum Gravity Gradiometer ...

Scientists are developing an advanced quantum sensor for low Earth orbit that can detect the tiniest tremors in Earth's ...

Do you ever feel like a plastic bag drifting through the wind?” reads text over a video of Martha Stewart floating in a ...

Katy Perry revealed how she is preparing for her journey to space on a Blue Origin rocket. The singer is flying on an ...

The all-female crew spent just four minutes in zero-gravity space, and took much of the time to mug for the camera inside ...

Martha Stewart subtly mocked Katy Perry's brief spaceflight by posting her own zero-gravity experience from 2006. The post ...

Katy Perry and an all-female crew made history on a Blue Origin mission on Monday, becoming the first all-women team to travel to space since 1963. The crew, dubbed "The Six Taking Up Space," included ...

Space travel presents unique physiological and psychological challenges for astronauts, including muscle weakening, bone loss ...

Ask any astronaut who has spent extended periods in the International Space Station what the most challenging part was, and ...

Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...