Science

SpaceX stacks Starship megarocket ahead of 4th test flight (video, photos)
Lithuania becomes 40th nation to sign Artemis Accords for moon exploration
Doctor Who 'Space Babies': Why is The Doctor alone in the universe?
Japanese-European spacecraft bound for Mercury weakened by thruster glitch
Stephen Hawking Medal 2024 winners announced at star-studded Starmus VII festival
India's space agency has been carefully watching our sun's solar tantrums
Watch the 1st trailer for 'Dune: Prophecy' prequel series (video)
A massive, icy Mars crater stares up at a Red Planet orbiter (image)
Pentagon wants commercial 'space reserve' to support military satellites in orbit
'Fallout' season 2 is going to New Vegas. How might outer space tie in?
Huge, solar flare-launching sunspot has rotated away from Earth. But will it return?
How do you forecast a solar storm? Space weather experts explain
Cosmic butterfly or interstellar burger? This planet-forming disk is the largest ever seen
To better predict volcanic eruptions, you have to dig deep — very deep
Where did Earth's water come from? This ancient asteroid family may help us find out
Wow! Satellite views International Space Station from only 43 miles away (photo)
Cotton candy exoplanet is 2nd lightest planet ever found
Learn how to become an astrobiologist in new issue of NASA's graphic novel series
Milky Way's halo is filled with 'magnetic donuts' as wide as 100,000 light-years
Earth-size planet discovered around cool red dwarf star shares its name with a biscuit