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.

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

BEIJING -- Of the four mice involved in a recent mission aboard China's space station, one female has now successfully birthed healthy offspring on Earth, the Technology and Engineering Center for ...

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 ...

3I/Atlas, a rare interstellar object that had some astronomers wondering whether it's a spacecraft, will soon reach its nearest point to the sun and Earth. The interstellar comet will come within ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

The Hubble Space Telescope has captured a new image of the interstellar comet 3I/ATLAS. 3I/ATLAS is the third-ever object discovered that originated from outside our solar system. The comet is not a ...

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