Astronaut Jeremy Hansen talks to Bob McDonald about the final preparations for his 10-day mission around the moon, where Hansen and his crewmates may become the first humans to see entirety of the Earth and moon, in one view

Researchers from Dalhousie University were trying to study how northern resident orcas find salmon to eat, but they ended up finding an unexpected symbiosis with another species — dolphins.

Baby, it’s cold outside — but it’s worth putting on that heavy winter coat, scarf and boots and heading out for one of the best meteor showers of the year: the Geminids.