Russia's Nauka module is 14 years late and had technical issues once it launched. But the new science lab has finally docked to the space station.
From exposure to high radiation levels to weightless conditions, space can be a tough place to live. Here's what happens to the human body in space.
China launched the first piece of its new space station in April, and it's already sending astronauts up to live there.
SpaceX's latest resupply mission to the International Space Station launched on Thursday. Tardigrades are onboard for a stint in orbit.
Scientists monitor more than 23,000 pieces of space junk that could threaten satellites and the space station. But some debris is too tiny to track.
Axiom is launching four of its own astronauts on a SpaceX Crew Dragon spaceship. Eventually, Axiom aims to build its own private space station.
The astronauts of Crew-1 were on the International Space Station for six months. They just passed the torch to the next SpaceX mission.
NASA has never flown its own astronauts to and from space for a mission this long. Now SpaceX's Crew Dragon spaceship must bring them back to Earth.
China can't send its astronauts to the International Space Station, so it's building its own Earth-orbiting laboratory with 11 rocket launches.
Crew-2 arrived at the International Space Station on Saturday morning. There are now 11 astronauts on the ISS for at least the next four days.
SpaceX's Crew-2 mission launched to the International Space Station on Friday. Once in orbit, the astronauts shared their reactions during the flight.
The Crew-2 mission to the International Space Station launched aboard the same Falcon 9 rocket booster that carried the astronaut mission before it.
SpaceX's reusable Crew Dragon spaceship is reviving human spaceflight for NASA. It's about to launch astronauts from the US, Japan, and Europe.
SpaceX astronaut flights to and from the International Space Station are becoming routine. But these missions are still high-stakes.
The six-month stint on the ISS was marked by scientific experiments and crossovers with other astronaut crews.
The Soyuz MS-18 spacecraft launched on Friday, with two Russian cosmonauts and one American astronaut on board.
The International Space Station is getting crowded - SpaceX's Crew Dragon spaceship had to move to make room for yet another Dragon capsule.