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

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

"Space gives us a remarkable perspective for looking at the Earth," Jemison said. "We can look at and understand floods, what's happened to the ozone layer, we can look for minerals." She said ...

Katy Perry is set to shoot across the sky with Gayle King, Lauren Sánchez and more stars in Blue Origin’s historic all-women ...