The Tip of the Red Giant Branch (TRGB) allows for another H0 measurement to enter the ring. Credit for “H0tTake” goes to the conference “Tensions between the Early and the Late Universe” hosted at the Kavli Institute for Theoretical Physics!
TESS spots the brightest multi-planet host yet (not including the Sun)!
Gaia can do astrometry very well. And it turns out it can also help us observe lensings.
How would the LSST have to survey the sky in order to study dark energy?
In light of the October 30 ruling on the Thirty Meter Telescope, a review of modern astronomy on Mauna Kea seems warranted. This post came out of the Astrobites Policy Committee, which focuses on science and the government.