The Milky Way Has Only Two Spiral Arms
If you were stuck inside your house, you'd never know what it looks like from the outside. That's the situation…
Podcast: The Search for Water on Mars
With the successful touchdown of the Phoenix Lander, NASA is continuing its quest to find evidence of past and present…
The Case of the Missing White Dwarf
Despite their name, planetary nebulae have nothing to do with planets. They're created when stars like our Sun enter the…
Largest Picture of the Milky Way Unveiled
The Milky Way is a large place, and getting all the stars together, even from just the inner galaxy, for…
Watch Press Conferences on Astronomy Cast LIVE
UPDATE: NEW LINK for Noon conference Wish you were here? Join us today from the AAS meeting in St. Louis.…
Mars Settlement Pioneers Will Face Huge Psychological Challenges
Imagine you are on the crew of a Mars mission and you fall out with a fellow crew member. You…
How do you Model the Earth’s Magnetic Field? Build your own Baby Planet…
The Earth's magnetic field is quite a mystery. How is it generated? How does it remain so stable? We have…
Double Your Science: Starburst Galaxies Found with Active Quasars
Astronomers now know that essentially every galaxy has a supermassive black hole at its center. When the black hole is…
Re-use, Recycle and Share Your Spacecraft to Find Exoplanets
How do you get the most out of one spacecraft and find exoplanets in the process? Re-use, recycle and share.…
Book Review: Canada’s Fifty Years in Space – The COSPAR Anniversary
Technical ability signals a country's advent into first world status. Amongst abilities, space travel sets the bar as paramount. Some…