Caltech's Submillimeter Observatory Has Been Removed from Maunakea
The final components of the Caltech Submillimeter Observatory (CSO) have been removed from a valley atop Maunakea in Hawai‘i, and the land at the site has been restored.
Unusually Lightweight Black Hole Candidate Spotted by LIGO
LIGO has detected a candidate black hole with a mass that falls within a so-called mass gap between the heaviest known neutron stars and the lightest black holes.