Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

ELVIS, a new holographic microscope developed at Portland State University, could help advance efforts to look for life on other worlds.

During his time in microgravity, Pettit, an inveterate tinkerer, said he likes to spend his free time either doing ...

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission ...

Donald Trump's second presidency has seen rapid shifts in US policy within the first 100 days, impacting foreign relations, trade, and domestic affairs. Promises to end the Ukraine war and swiftly ...