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.

"There really is something very different about how these giant planets form versus how small planets like Earth form." Scientists have used data from NASA's retired planet-hunting space telescope ...

Birds rely on Earth’s magnetic field to navigate vast distances, but what would happen if they were placed in space, where no magnetic cues exist? Could they still find their way using other ...

31,170 people played the daily Crossword recently. Can you solve it faster than others?31,170 people played the daily Crossword recently. Can you solve it faster than others?

Now the results are in, and we can do interesting science with it." Astronomers have announced that the James Webb Space Telescope has successfully captured its first direct images of carbon ...

A SpaceX Dragon capsule successfully docked with the ISS, rescuing astronauts Sunita Williams and Butch Wilmore after nine months in space. NASA’s Nick Hague welcomed them dressed as an ‘alien’.

As the Dragon capsule docked, NASA astronaut Nick Hague - already aboard the International Space Station - floated toward the hatch wearing an alien mask, giving the new arrivals an welcome.

Sunita 'Suni' Williams and Barry 'Butch' Wilmore have been stranded in space for nine months, and now they've been joined by an 'alien'. That’s when SpaceX's Falcon 9 ship was put on the back burner ...

The crew aboard a SpaceX Dragon capsule sent to retrieve two astronauts stranded in space for nine months were greeted by an 'alien' as they docked at the International Space Station (ISS).

Alien life could be hiding in gases ... We could even do so by looking at exoplanets using Nasa’s James Webb Space Telescope, they said. The gases themselves are called methyl halides.