These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

These satellite images capture how quickly Earth can transform, from vanishing lakes and retreating glaciers to new cities and altered coastlines. Seen from space, the scale and speed of human and ...

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

From cosmic collisions to which planet would make the worst roommate, no topic is out of orbit when it comes to Dr. Neil ...

The engineering lesson is simple: Sometimes the best observatory is the one already parked at another planet. When an ...

But that number could drop this year, thanks to tests of stratospheric airships, uncrewed aircraft, and other high-altitude platforms for internet delivery.  Even with nearly 10,000 active Starlink ...

Even with nearly 10,000 active Starlink satellites in orbit and the OneWeb constellation of 650 satellites, solid Internet ...

WASHINGTON — Northwood Space, a California-based maker of phased-array ground stations, announced Jan. 27 it raised $100 million in Series B funding as government and commercial operators look for ...

NASA's next moon rocket is on the launch pad for testing, and you can follow its progress live.

Scientists are using radar to study damaged ice both in Antarctica and, with the help of a NASA spacecraft, on Jupiter’s ...