The United States is home to several popular attractions for visitors to explore. From awe-inspiring landscapes in National ...

For five days, the crew of the Polaris Dawn mission completed a number of objectives that could one day bolster deep-space ...

The SpaceX Dragon capsule made a water landing Sunday in Florida, bringing to an end the historic commercial Polaris Dawn ...

The historic SpaceX astronaut mission — which conducted the first-ever private spacewalk, among other achievements —returned ...

Commander Jared Isaacman and mission specialist Sarah Gillis each spent a few minutes outside the Dragon capsule, performing ...

Aged 69, the chemical engineer has already spent more than a year in space. And he’s far from the oldest person to fly beyond ...

The European Space Agency sent a plane to capture footage of the first of four Cluster mission satellites reentering Earth's ...

The spacewalk marked another win for SpaceX at a time when its human-spaceflight rival Boeing Co. (BA) is smarting from NASA's decision to turn to SpaceX amid problems dogging the first crewed flight ...

The spacewalkers will test new SpaceX-designed pressure suits that could eventually be used by civilian astronauts on the ...

After launching from the John F. Kennedy Space Center on Tuesday, the four-person crew of Polaris Dawn entered an elliptic orbit that took them 870 miles from Earth, the furthest a human has reached ...

The stage is set for the first private spacewalk Thursday. Tech billionaire Jared Isaacman will pop out of the hatch of his ...