Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 ...

Watch China's robotic arm scan the exterior of the Tiangong space station in these views. Credit: Space.com | footage ...

Susan Kassin, an astronomer at the Space Telescope Science Institute, showed images from previous observatories compared to JWST’s.It was like having the optometrist flip a lens so that the last lines ...

Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 ...

“Earth is amazingly beautiful when your feet are firmly planted on the ground, and it’s beautiful from space,” Pettit said. “And it’s hard to say what is more beautiful.

Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 ...