Sen. Mark Kelly of Arizona said he could no longer stand the association with Elon Musk.

What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, remained at home?

NASA astronauts Sunita Williams and Butch Wilmore are set to return to Earth after an extended nine-month mission aboard the ...

NASA astronauts Suni Williams and Butch Wilmore were selected for the first crewed test flight on Boeing's Starliner and were ...

Kelly, known for his decorated military service and space missions, further elaborated in a video message that he was driving ...

Astronauts Barry “Butch” Wilmore and Suni Williams are on their way back to Earth after nearly nine months in space and will soon be readjusting to life with gravity.

The European Space Agency (ESA) says that just one week in space is equivalent to one year's worth of radiation exposure on Earth. This radiation can put astronauts at risk of radiation sickness, ...

The former U.S. Navy combat pilot and astronaut said he doesn't want to drive a car that reminds him of the damage Musk and ...

Down to their very DNA, astronauts’ bodies can change in weird and sometimes significant ways, particularly during a long flight high above the Earth: They start to elongate, often developing a taller ...

Kelly once got along with Musk. The former NASA astronaut has repeatedly praised the private space sector, which Musk's SpaceX remains a dominant force in. The pair's relationship has soured in ...

After docking with the ISS, the latest crew visiting the orbital outpost were greeted by a cosmonaut wearing an alien mask.

The zinnia flowers were grown in the Veggie facility, a low-cost growth chamber that provides lighting and nutrient supply for plants on the ISS. Astr ...