What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
Months-long real-time generation of a time scale based on an optical clock
High-energy ions' movement affected by silicon crystal periodicity
NASA's Webb Observatory requires more time for testing and evaluation
Characterization of a water world in a multi-exoplanetary system
Understanding gravity: The nanoscale search for extra dimensions
NASA prepares to launch next ExoPlanet mission
Dark matter goes missing in oddball galaxy
Unresolved puzzles in exotic nuclei
High-sensitivity 3-D technique unveiled using single-atom measurements
How do you make a galaxy without dark matter
