What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
Timekeeping theory combines quantum clocks and Einstein's relativity
Atomic clocks experience the quantum phenomenon called superposition
Galactic archaeology
Einstein's Theory of Relativity, Critical For GPS, Seen In Distant Stars
Smile, wave: Some exoplanets may be able to see us, too
AI and photonics join forces to make it easier to find 'new Earths'
ALMA shows volcanic impact on Io's atmosphere
Ultraviolet shines light on origins of the solar system
Microbial diversity below seafloor is as rich as on Earth's surface
Evidence of broadside collision with dwarf galaxy discovered in Milky Way
