NASA

Canada and U.S. look to ease border restrictions, while the RCMP’s top job is once again open

An unusual microbe shows how little we may still know about life on our own planet, let alone elsewhere

Human explorers will set foot on the red planet one day. And it might be sooner than most of us realize.

What to do with all the man-made junk in Earth’s orbit

Even NASA sees it as a case study in isolation

Whether alien culture resembles our own depends on one big question: do they have sex?

In 2013, our sun will hit its solar maximum, creating disturbances that could take out the power grid

Strange new clues in the search for extraterrestrial life

Scientists may have a first—stardust—thanks to a Canadian

Take the disappearing Himalayan glaciers. Turns out that ‘research’ was idle speculation.