"Operation Space Station: High-Risk Build" debuts Nov. 5, 2025 at 9 p.m. ET on PBS. "Operation Space Station: Science and ...

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

Archaeologists have studied how astronauts use the International Space Station to improve its potential future successors.

The International Space Station marks a quarter-century of continuous occupancy this weekend, boasting a guest list of nearly ...

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

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 ...

CAPE CANAVERAL, Fla. — It's an unprecedented space streak: 25 years of people living off-planet without even a moment's pause ...

An amazing new video shows flashes of sunlight sparkling off a batch of SpaceX satellites, with a green aurora glowing just below. NASA astronaut Don Pettit, an accomplished amateur photographer, ...

Sierra Space and NASA have renegotiated their contract for the Dream Chaser spaceplane that will allow the spacecraft to make its first orbital flight next year as a free flier instead of visiting the ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty? Our first stop is the International Space ...

NASA awarded Sierra Space's parent company part of a $14 billion ISS supply contract in 2016. Nearly 10 years later, everyone on that contract but Sierra Space is doing supply runs to ISS. Last week, ...