Betelgeuse is getting dimmer, igniting speculation that it will go supernova in a spectacular explosion visible from Earth.

If we don't start making the preservation of historic sites a priority, we are going to miss out on an opportunity to show the world where we have come during our city's history, Joe McFarland writes

The slip occurred during Pence's visit to the Orion clean room in NASA's Kennedy Space Center in Florida.

The Ontario Hockey League has handed down a 10-game suspension to Max Jones.

The space agency also wants your help to improve pooping in space.

NASA's newest spacecraft, the Orion, won't be flying astronauts as soon as anticipated.

If we're going to get to Mars, we're going to need a powerful engine to get us there. But NASA has that covered.

An exclusive poll shows Canadians believe the proteststhat followed grand jury decisions in the Michael Brown and Eric Garner cases was the top U.S. news story of the year.

Your guide to the biggest stories in tech, health, science and entertainment--plus the videos everyone was watching in 2014.

NASA has released a video of the Orion capsule's fiery descent following its four-and-a-half hour flight in space, giving us a peek at what it might be like to return from space.