Blue Origin showed off its New Glenn rocket after its two stages were mated in the company's Florida facility. The new rocket ...

This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

The Hubble Space Telescope has captured a spiral galaxy under the "ram pressure" inside a massive cluster of galaxies.

Starship has flown five times to date — in April and November of 2023 and March, June and October of this year. During the ...

Three NASA astronauts whose prolonged space mission ended with a trip to the hospital last month won't say which one of them ...

In the same year, NASA astronaut David Wolf, who spent four months aboard Russia's Mir Space Station, became the first US citizen to “vote while you float.” Leroy Chiao, a now-retired NASA ...

At first glance, it may seem like any other large spiral galaxy ... which astronomers think has since moved away from the cluster's core. MORE SPACE PHOTOS ...

What began as an eight-day mission has turned into an exhausting six-month stay for NASA astronauts Sunita Williams and Barry ...

A moon spacecraft is one step closer to flying with humans on board in 2025. The Orion spacecraft, which will carry four ...

Here’s how the coming second term of President-elect Donald Trump could impact Colorado’s immigrants, public lands, abortion ...