Uranus' Strange Magnetosphere Switches Open and Closed, Letting in Solar Wind

New research on Uranus' magnetosphere could help scientists learn about distant systems, and refine the ways they search for alien life.

Uranus has a “switch-like” magnetosphere that opens and closes once every rotation of the planet, exposing it to deadly solar winds, according to researchers at the Georgia Institute of Technology in the US.

Keep reading Show less

Hey Bill Nye! What's Your Fondest Memory of Carl Sagan?

Science makes the heart grow fonder. Want proof? Just watch Bill Nye as he remembers time spent with the legendary cosmologist Carl Sagan.

When Bill Nye was studying engineering at Cornell University, he took astronomy under none other than Carl Sagan. In the past, Nye has said that Sagan gave his lectures just as he presented the iconic television series Cosmos, and as an aspiring science educator himself, Nye was hugely inspired. So what are his fondest memories of the legendary cosmologist? There are two: one is Nye's favorite — where he convinced Sagan to make a monumental music choice regarding the 1977 Voyager golden record — and the other is his most important, when Sagan put him on the path to success with advice that formed the core of the Bill Nye the Science Guy show.

Keep reading Show less