What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
AI reconstructed 27 years of blazar observations into continuous high-resolution video
Venus may have lost a moon to tidal destruction in 30 million years
Planet Nine's massive size wouldn't make it visible from Earth's vast distance
Sun's most violent explosions may be far more powerful than ever thought
Webb and Hubble spot 27 faint Kuiper Belt objects, revealing fewer tiny bodies than expected
Solar particles reshape understanding of Mercury's magnetosphere
Chariklo's rings are shifting in ways astronomers didn't expect
Venus’s preserved rift shoulders suggest recent or ongoing extension
NASA finds hidden heat flowing across Jupiter's volcanic moon Io
Webb telescope may finally glimpse the universe's first stars
