What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
Astronomers weigh a Saturn-mass world adrift with no star to orbit
Enceladus's ocean plume may be easier to study than Europa's hidden sea
Gas giant 520 light-years away sets wind-speed record at 33,000 kilometers per hour
Voyager 2's power fix extends humanity's only direct window into interstellar space
Rocket Lab and MIT plan $10 million Venus probe for five-minute life search
Asteroid shadowed Earth for 60 years before astronomers noticed
Neptune's tiny moons show clay from giant satellites shattered billions of years ago
Astronomers find massive asteroid spinning so fast it defies physics
Scientists find fresh evidence of phosphine in Venus's atmosphere
Massive planet defies formation models by staying rocky instead of gas-giant
