Since the first crew of astronauts reached the International Space Station on Nov. 2, 2000, humanity has had a continuous presence among the stars.

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who famously spent a year in space aboard the station in 2015 and 2016.

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous human presence in low-Earth orbit, including at least one American – a streak that will soon reach 25 years. When viewed in the ...

"Operation Space Station: High-Risk Build" debuts Nov. 5, 2025 at 9 p.m. ET on PBS. "Operation Space Station: Science and Survival" drops Nov. 12, 2025, at 9 p.m. ET. Both will stream at PBS.org/NOVA, NOVA's YouTube channel, and the PBS Documentaries Prime Video Channel.

Blue Origin has recently partnered with the U.S. Space Force to construct a new payload processing facility that will help increase launch capacity in Florida.

The International Space Station pictured from the SpaceX Crew Dragon Endeavour during a fly around of the orbiting lab that took place following its undocking from the Harmony module’s space-facing port on Nov. 8, 2021. (Photo by NASA) For 24 hours a day ...

NASA has modified its ISS resupply contract with Sierra Space, which builds the robotic Dream Chaser space plane.

Chinese astronauts aboard Tiangong station witnessed a match flame transform into a blue sphere in microgravity. Unlike Earth's rising flames, this ph