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What's it like to live underwater, and how is it similar to what astronauts experience in space? Experience the full tour with Dr. Michaela Musilova! #internationalspacestation #underwaterlab #space #weirdscience #astronaut

Confined inside a research station 22 feet (7 meters) underwater, Analog Astronaut Commander Dr. Musilova and her crew performed research and maintenance activities like future astronauts on Mars.

Joshua Kutryk will venture outside the International Space Station on Oct. 29, on the first spacewalk by a Canadian astronaut in more than seven years. Here's how to watch it live.

Virgin Galactic has officially unveiled its first "Delta-class" space plane, and announced the results of the worldwide vote to choose its name.

A U.S. military intelligence agency has released an incredible new photograph of China's secretive space plane, showing it docked to another spacecraft in orbit.

The spoilerific final look at Denis Villeneuve's third and final sci-fi epic is loaded with action and drama that set it apart from Dune: Messiah's pages.

Iceberg A-81 escaping the Weddell Sea and drifting near the edge of South Georgia's underwater shelf.

The Vera Rubin Observatory discovered a suspected dwarf planet beyond Neptune. If confirmed, it would be the sixth known dwarf planet in our solar system.

Virgin Galactic will unveil its first Delta-class spaceship on Wednesday (Oct. 28), revealing a name chosen by public vote before transporting the spacecraft from Arizona to Spaceport America in New Mexico.

Here are some of the most spine-chilling space photos to scare your pants off this Halloween.

Scientists have long known that when two black holes collide, they merge to create a more massive black hole. New research suggests that the opposite may happen too: single black holes may split in two.

Analog Astronaut Commander and Aquanaut Michaela Musilova led underwater simulated “spacewalks” in low visibility to test astronaut safety and communication protocols during simulated space missions.

How can underwater exploration help prepare astronauts for the challenges of spacewalks? Find out with Dr. Michaela Musilova! Read more here: . . . #aquanaut #space #internationalspacestation #underwaterlab #weirdscience

Scientists are still learning about a cosmic 'string of pearls,' a unique celestial relic left by a supernova witnessed by humanity around 850 years ago, which has a zombie star at its heart.

Cowboy Space just gave us our first look at its "Big Iron" rocket, which the company will use to build its AI data center constellation. Big Iron's debut is targeted for late 2028.

Your guide to November's full Beaver Moon, from peak times to skywatching highlights.

'The fact that I get to work with some of the greatest creators and artists working today feels like a dream.'

Rover tracks can be seen on the Martian surface, left behind by NASA's Perseverance Mars rover.

On Oct. 27, 1961, NASA launched the first test flight of its new Saturn I space launch vehicle. Here's why it mattered.

The man who portrayed the U.S.S. Enterprise’s Pavel Chekov has left us after a 60-year stage and screen career