What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
Inside the ice giants of space
Huge ring-like structure on Ganymede's surface may have been caused by violent impact
Lava oceans may not explain the brightness of some hot super-Earths
NASA's planet hunter completes its primary mission
Astronomers discover most-distant Milky Way-like galaxy ever observed
New study shows how the smallest galaxies produce stars
Physicists cast doubt on neutrino theory
Stars rich in phosphorus: Seeds of life in the universe
Miniature telescope demonstration focuses on sharpening view of distant objects in space
Surprisingly dense exoplanet challenges planet formation theories
