President Trump signed Space Directive #1, formally implementing as policy what Vice President Pence had announced at the first meeting of the National Space Council in October: that NASA will focus its human spaceflight efforts on a return to the Moon, and then onto Mars. What really changed?
James Tuttle Keane is increasingly famous (among planetary scientists anyway) for his remarkable illustrated notes from conferences. Here's his work from the Division for Planetary Sciences meeting, illustrating both his own and others' research.
With the North American Total Solar Eclipse coming on August 21, people across the continent are getting eclipse mania! Astronomer Tyler Nordgren has written a detailed book on eclipses with a special focus on the August 21st event.