A constellation of satellites orbiting 250 miles above Earth’s surface shows how solar and wind have taken off in recent years: Here’s what renewable energy sites looked like eight years ago ...

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half.

Spending time in space and having an unrivalled view of planet Earth is an experience many of us dream of. However, the human body evolved to function in the gravity of Earth. So time in the ...

Now they’ll undergo a battery of tests to find out how the longer-than-expected space stay has impacted their health. The pair left on June 5 for what was supposed to be an eight-day mission to ...

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SpaceX is scheduled to launch a Falcon 9 rocket from Cape Canaveral Space Force Station between 2:09 p.m. and 6:40 p.m. EDT Tuesday. NASA astronauts Butch Wilmore and Suni Williams are scheduled ...

Just over a day after blasting off, a SpaceX crew capsule arrived at the International Space Station on Sunday, delivering the replacements for NASA’s two stuck astronauts. The four newcomers ...

A crew has entered the International Space Station (ISS) to replace the astronauts who were stranded there for nine months. A SpaceX capsule delivered four astronauts on Sunday on a mission to ...

Here’s how it works. SpaceX's Crew-10 astronaut mission has arrived at the International Space Station, ending a 28-hour orbital chase. Crew-10 launched on Friday evening (March 14) atop a ...

DENVER—The US Space Force lacks the full range of space weapons China and Russia are adding to their arsenals, and military leaders say it's time to close the gap. Gen. Chance Saltzman ...

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