Can the carbon dioxide emitted by volcanoes really be considered "missing science" in the climate change debate, as a 2009 bestselling book claimed? No — the real missing science, geologist Terry Gerlach says, is when popular books don't include the most recent or accurate data to support their claims.

You never quite know when a given volcano is going to erupt — but you can bet on it. Recent volcanic eruptions are driving a thriving business at Ireland's largest bookmaker and purveyor of novelty bets, Paddy Power.

Is every snowflake truly unique? Physicist Kenneth Libbrecht has made a career out of photographing the variety of snowflake shapes, from familiar six-sided forms to more exotic "bullet rosettes" and "capped columns." EARTH's latest slideshow takes you on a visual tour of these delicate ice crystals.

Geophysicist Dave Engebretson turns scientific data into the music of the spheres: Setting the data to sound frequencies, he has converted the last 20,000 years of eruptions along the Cascade Mountains into warlike bursts of explosive sound, and turned the ebb and flow of the tides into musical scales.

For a humbling sense of perspective, the European Southern Observatory has a new way to look at the universe: with a zoom button.

Meet ART Evolved, where lifelong dinosaur enthusiasts share two things: a fascination with dinosaurs — usually going back to early childhood — and an inclination to daydream about how to visually resurrect these and other ancient creatures, complete with skin colors, feathers and movements.

This year marks the 40th anniversary of the first step taken on the moon on July 20, 1969. Two new books published this year commemorate the occasion, describing different phases of the larger lunar story.

Members of the Society for Exploration Geophysicists have a new mission: Using geophysics to solve humanitarian problems.

Disney's new movie about the natural world is light on storyline, but offers spectacular views of our planet and its inhabitants.

The National Academy of Sciences launched an initiative late last year to promote collaboration between the scientific community and Hollywood. The collaboration may change the way Hollywood portrays science and scientists — and maybe change how the public views science.

"Ice People," an austere, unpretentious documentary about Antarctica, features no charismatic penguins; instead, it weaves a compelling human story about the scientists who choose to work at the end of the world.

Don’t think you’re wasting energy? Think again, says filmmaker and one-man energy crusader Jeff Barrie. In the fervently anti-coal and pro-renewable "Kilowatt Ours," Barrie and his camera explain how flipping a light switch could destroy West Virginia mountain-tops.

In "Heat," airing tonight on PBS' FRONTLINE, producer and reporter Martin Smith investigates climate change, from the disappearing glaciers of the Himalayas to the cement factories of India to the coal mines of the United States.

“Giant Crystal Cave,” a new National Geographic Channel documentary on exploration beneath Mexico’s Naica Mountain, follows three scientists into a harrowing cave of wonders.

The biological tweaks players make to creatures in Electronic Arts' newest game, Spore, don't exactly resemble real evolution. But the game does show how these details can make a difference to a species’ survival.