Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

Across Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the ...

Artemis II Flight Director Rick Henfling said Artemis II is predicted to reach a maximum velocity of about 25,000 mph when it ...

NASA's Artemis II mission has sent four astronauts on a 10-day journey around the moon. The mission is the first in over 50 years to send humans to the vicinity of the moon. The crew includes the ...

Stargazers across the UK could spot a burst of meteor activity over the next few nights, showcasing up to 18 fast and bright ...

Add Yahoo as a preferred source to see more of our stories on Google. Light can travel billions of years yet experience no time. Here’s how Einstein’s physics explains it. (CREDIT: Shutterstock) A ...

Yesterday, astronauts Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen became the first humans in over 50 years to see the far side of the moon. Artemis II launched at 6:35 p.m. ET on ...

The Artemis II astronauts have shared stunning new images of Earth from space. These photos are reminiscent of the iconic "blue marble" picture from the 1972 Apollo 17 mission. The 10-day mission will ...

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other ...

As the Artemis II crew continues their 10-day journey to orbit the moon, pilot Victor Glover shared an inspiring, off-the-cuff message for anyone who's following the crew's mission from back home on ...

The crew lifted off around 6:35 p.m. ET from the Kennedy Space Center in Florida. On the 10-day mission, they could travel farther from Earth than any humans have gone before. NASA plans to continue ...