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The arctic misery over the eastern half of the U.S. was expected to worsen Friday and Saturday.

Freediver and ocean conservationist Hanli Prinsloo has spent her life helping others connect with the ocean and understand our responsibility to care for it. She shares her Brief But Spectacular take on protecting what we love.

President Emmanuel Macron has requested that the legislation be fast-tracked and it will now be discussed by the Senate in the coming weeks.

It's been 40 years since the space shuttle Challenger exploded just after takeoff. Geoff Bennett speaks with science correspondent Miles O'Brien, who covered the aftermath of the disaster, about how it affected the U.S. space program.

Dr. William Foege, a leader of one of humanity's greatest public health victories -- the global eradication of smallpox -- has died.

Deep in the Ecuadorian Andes, the Yanacocha Reserve is the last refuge for a tiny hummingbird teetering on the edge of extinction.

It's easy to dash to the closest hardware store to grab a bag of salt, but experts say there are a lot of environmental and other factors to consider when tackling all that ice and snow.

Almost 12,000 flights across the U.S. set to take off over the weekend were canceled as a monster storm started to wreak havoc Saturday across much of the country.

Thousands of flights across the U.S. set to take off over the weekend were canceled as a monster storm started to wreak havoc Saturday across much of the country, knocking out power and snarling major roadways with dangerous ice.

Ice in the Arctic and Antarctica plays a critical role in maintaining life on Earth, and it is melting faster than previously thought. This is threatening our planet with potentially massive sea-level rise, weather disruptions and further global ...