Topic: Northern Canada

Global warming mystery: Are North and South really polar opposites?

Two studies, one about plants covering previously frozen landscapes in the Arctic, the other about expanding winter sea ice in Antarctica, appear to say different things about global warming.

Transit of Venus: What to expect (+video)

Venus will cross the face of the sun for the last time until 2117. Here's what it will look like. 

Falling satellite: 10 times space junk has crashed into Earth

Falling satellite trackers at NASA say it will hit Friday night or Saturday morning and has a small chance of crashing in the US. But the precise track and timing of the falling satellite is still hard to predict. What is known is that events like this have happened before. From NASA rockets to Soviet satellites – including debris that actually hit someone – the history of falling space junk is long. Here are 10 other pieces of space junk that have survived the blazing voyage through Earth's atmosphere.

Doomed satellite: Where and when will it plummet to Earth?

It is still too early to tell exactly where the dead satellite will fall. Scientists will likely have a much better idea of where the debris will land about two hours before the impact, NASA officials said.

Summer solstice: Everything you want to know

Summer solstice: Summer arrives to the Northern Hemisphere at 1:16pm Eastern time on Tuesday.

Stieg Larsson shared details on his fourth "Dragon Tattoo" novel

Stieg Larsson died before the overwhelming global success of his "Millennium" novels – but not before sharing a few details about the fourth book in the series.

Winter storm raises the question: What's going on with the weather?

This week's winter storm – and others before it – are being influenced by climate patterns in the Arctic and North Atlantic. Scientists are working to understand how these patterns work.

Where polar bears might go if climate change doesn't slow

If climate change leads to ice collecting in one general area in the Arctic Ocean, it might be enough to provide a last 'refuge' for many Arctic inhabitants, including polar bears.

Watch Northern Lights live from near the Arctic Circle tonight

A new web site shows the Northern lights, also called the aurora borealis, live starting at 10 p.m. each night courtesy of the Canadian Space Agency. The prime northern lights viewing season is August through May.

On the Bowery: movie review

The 1950s documentary ‘On the bowery’ took men at the bottom of their lives and spun a story.

Glaciers, known for erosion, can help mountains grow

Glaciers' 'buzz-saw effect' can level mountains. But at high altitudes, glaciers can freeze to mountains and shield against erosion, new research suggests.

'Ice Road Truckers' network boss changing channels

'Ice Road Truckers' channel president Nancy Dubuc is moving from History channel and trying to bring her programming magic to Lifetime.

Russians to ride a nuclear-powered spacecraft to Mars

President Dmitry Medvedev says Russia will spend $600 million on a nuclear-powered spacecraft to take men to Mars, and beyond. Is it safe?

The Tenderness of Wolves

Phoenix Mars Lander prepares to begin excavation

A successful landing and Mars's smooth surface sets optimum digging conditions