How the Full Moon briefly vanished, nearly a thousand years ago
A Halley's Comet meteor shower peaks early tomorrow morning
How to safely react when an earthquake strikes
What's up with Star Wars' bizarre 'mono-climate' planets?
Celebrating Canada's amazing contributions to space exploration
Earthquakes are a risk in Canada. Here’s how to stay safe
What is a tsunami? How these powerful waves spell coastal danger
Failed Soviet Venus probe to crash to Earth later this week
Scientists discover strange life on Antarctica's ocean floor
Giant iceberg breaks from Antarctica, revealing mysterious underwater ecosystems
In Photos: Stunning views of the rare Pi Day "Blood Moon" Lunar Eclipse
