Landsat 9, NASA's most powerful Landsat satellite ever, is 'go' for launch on Monday
White dwarfs become magnetic as they get older
NASA urged to avoid space station gap
Cloud-spotting on a distant exoplanet
Earth and Venus grew up as rambunctious planets
Op-ed | Can we backhaul our way to space?
Carbon dioxide reactor makes Martian fuel
Unveiling galaxies at cosmic dawn that were hiding behind the dust
Come on in, the water is superionic
Life support cooked up from lunar rocks
How would humans decompose on Mars?
Orbit Fab to launch propellant tanker to fuel satellites in geostationary orbit
Peering into the Moon's shadows with AI
The sun has spots. Here's what we've learned about them so far.