As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

The astronauts evacuated last week from the International Space Station say a portable ultrasound machine came in “super handy" during the medical crisis.

NASA is inviting the public to add their names to a historic lunar mission known as Artemis 2 that is due to launch between ...

It’s a fantastic blue. I was amazed, just looking down, it's almost an iridescent blue,” Chris Brown told IFLScience.

Cats, dogs and turtles were blessed at a church in Madrid to mark St. Anthony's day, the patron saint of animals.

An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month ...

The robotic freighter docked with the orbiting lab's Poisk module. The spacecraft was carrying three tons of food, fuel and other supplies to the ISS. Credit: NASA Video analysis of Renee Nicole ...

NASA’s new leader, billionaire entrepreneur Jared Isaacman, is making his priorities for the space agency clear in his first days on the job. Isaacman was sworn in Thursday as the 15th administrator ...

Jared Isaacman, the billionaire nominated twice to lead the agency, may draw some lessons from the tenure of another NASA leader in the 1990s. By Kenneth Chang After 11 months of tumult and downsizing ...

NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their Soyuz spacecraft landing in the frozen steppes of Kazakhstan on Dec. 9 to ...

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The interstellar comet 3I/ATLAS is entering its closest approach to Earth in mid-December, drawing intense scientific interest as astronomers examine a rare object formed in another star system. NASA ...