What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
How the 'hell planet' got so hot
Without more data, a black hole's origins can be "spun" in any direction
NASA's retired SOFIA aircraft finds new home at Arizona Museum
Unusual gamma-ray burst reveals previously undetected hybrid neutron-star merger event
Brookhaven Lab to lead new 'saturated glue' theory collaboration
Gamma-ray burst is 'Rosetta Stone' for finding neutron star collisions
Nuclear theorists collaborate to explore 'heavy flavor' particles
Kilonova discovery challenges our understanding of gamma-ray bursts
NASA's Roman Mission completes key optical components
Researchers say space atomic clocks could help uncover the nature of dark matter
