Join UW astronomer Megan Gialluca at The Museum of Flight on Sept. 20 for Crash Course in Astrobiology, exploring exoplanets and the search for life.

NASA is collaborating with the Colorado Army National Guard at its training center in Gypsum to help Artemis astronauts ...

Is there a ninth planet out there? Why do some astronomers believe it might exist? Here’s what we know so far.