NASA

Every now and then someone comes along and criticizes space exploration – and inevitably makes a fool of themselves in the...

John Grotzinger talks about once-flowing rivers, the drinkable water—and when we’ll walk on the red planet

From the archives: New research suggests our galaxy alone may be filled with billions of planets—literally

Colby Cosh on the Mayan calendar and the end of the world

Science used to debunk doomsday myths

Hadfield will become the first Canadian to command the International Space Station

Julie Payette on why she chose engineering over music

Satellite takes 22 days and 312 orbits to capture the night

From space to the Marianas trench to Niagara Falls, 2012 had daredevils galore

A tour of the elite training facility that turns mortals into astronauts