As the climate changes and glaciers melt, a lesser-known threat lurks in alpine areas: glacial lake outburst floods. These events happen rapidly, releasing huge amounts of water with little or no warning...
The Chandra X-ray observatory is celebrating 20 years in space this year, and oh, the things it has seen. Belinda Wilkes, who directs the telescopes operation, takes you on a dizzying visual tour of Chandra's universe...
November 19, 2019 — Jeffery DelViscio and Kelso Harper
