Hank shares losses and finds this week, including a huge amount of Antarctic ice that’s lost for good, and 10 cool new species that are last year’s top finds.

Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...

With the same humor and humanity he exuded in "An Inconvenient Truth," Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter brand name for global warming.

The #OursToLose YouTube campaign sheds light on climate change and the environment.

Temperatures are rising, and greenhouse gases are being emitted faster than ever. What's a planet to do? Hank explains the recommendations of some of the world's top scientists to stem global warming.

Hidden beneath Greenland’s ice and powered by a nuclear reactor, Camp Century made for an interesting US military base. But life under the ice came with unique struggles; and although it wasn’t mainly constructed for science, the base...

Although polar bears and grizzly bears aren't all that similar and are definitely separate species, they can interbreed and create fertile offspring in the wild. Hank brings us the story of these misfit bears, which he likes to call...

Humanity has always adapted to changing weather and moved to regions that best support cultural lifestyles and livelihoods. However, the rise in extreme weather is endangering coastal communities, and even for those with the resources to...

Humanity is on its way to creating a "black ball": a technological breakthrough that could destroy us all, says philosopher Nick Bostrom. In this incisive, surprisingly light-hearted conversation with Head of TED Chris Anderson, Bostrom...

Volcanoes, climate change, and Chinese history may seem like three phrases spit out of a random word generator, but the three things are more inherently linked than one may assume.

Today, we bring you two surprising effects of the climate crisis: less sleep and more dying trees.

Today Hank uses his patented prognosticating abilities to tell you about some space news events to watch out for in 2013.

What one thing is the Curiosity rover going to spend most of the year doing? Why are we going back to the...

Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.

Hank brings you news from around the universe, including what you can't blame on global warming, why being unfaithful is hazardous to your health, and how to watch a particularly awesome spectacle coming to a sky near you.

Enric Sala shares glorious images -- and surprising insights and data -- from some of the most pristine areas of the ocean. He shows how we can restore more of our oceans to this healthy, balanced state, and the powerful ecological and...

When we talk about greenhouse gases, carbon dioxide gets the most attention -- but methane, which often escapes unseen from pipes and wells, has a far greater immediate impact on global warming. Environmentalist Fred Krupp has an idea to...

SciShow News looks at some of the firsts, highests, and lowests of the year in science.

Climate change is real, case closed. But there's still a lot we don't understand about it, and the more we know the better chance we have to slow it down. One still-unknown factor: How might clouds play a part? There's a small hope that...

Hank gives us a summary of the important facts about fracking: what it is, why we do it, and how it actually isn't all butterflies and cupcakes.

Legendary scientist David Deutsch puts theoretical physics on the back burner to discuss a more urgent matter: the survival of our species. The first step toward solving global warming, he says, is to admit that we have a problem.

We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.

Satirist Tom Rielly delivers a wicked parody of the 2006 TED conference, taking down the $100 laptop, the plight of the polar bear, and people who mention, one too many times, that they work at Harvard. Watch for a special moment between...

We've known about global warming for 50 years and done little about it, says Google.org director Larry Brilliant. In spite of this and other depressing trends, he's optimistic and tells us why. From Skoll World Forum, Oxford, UK,...

As earth temperatures continue to rise, what's really to blame?