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Effects Of Global Warming On Display In Antarctica

James McClintock, a marine biologist, talks with David Greene about how warming temperatures have had a dramatic impact on the glacier near the U.S. Palmer Station in Antarctica.

The Large Synoptic Survey Telescope, seen in this artist's rendering, will be built on the peak of the Cerro Pachon mountain in Chile and will survey every patch of the night sky. The data the telescope will collect will allow researchers to "answer fundamentally different questions about the universe," says one astronomer.

New Telescope To Make 10-Year Time Lapse Of Sky

It will produce what astronomers clamor for: a detailed map of every square inch of the night sky.

In this undated picture, Mount Everest, the world's tallest mountain at 29,029 feet, stands behind the Khumbu Glacier, one of the longest glaciers in the world. Nepal has more than 2,300 glacial lakes, and experts say at least 20 are in danger of bursting.

Melt Or Grow? Fate Of Himalayan Glaciers Unknown

A few years ago, the U.N.'s climate panel warned that the Himalayas' glaciers were quickly disappearing. The claim was dead wrong. The true picture of how the ice in those glaciers is responding to a warming world is far more complex. "There are so many uncertainties that it's really hard to predict the future of the glaciers," says one scientist.

White House Report Says Climate Change Is Here And Now

A new U.S. government report tells an unambiguous story: The planet is warming, climate change is driven primarily by people and it's already affecting Americans, through more frequent or intense heat waves, downpours and, in some regions, floods or droughts.

Grand Canyon Officials Want To Evict Bison From Park

There's an estimated 350 bison living in Grand Canyon National Park. The herd has grown too big and is overgrazing park land, draining already low water resources and trampling archaeological sites.

Puddled meltwater very likely primed this ancient edge of the Antarctic's Larsen Ice Shelf to rapidly disintegrate over just several weeks. This view of the splintered mix of frozen bergs is from a Feb. 21, 2002, satellite image.

Ready — Or Not. Abrupt Climate Changes Worry Scientists Most

To forecast sudden global catastrophe — and, perhaps, head it off — we should be spying on the climate at least as closely as we spy on each other, an expert panel warns. Yet the primary global monitoring network has been cut by 30 percent.

Satellite images show the effects of a prolonged warm spell on Eagle Island, in the far north of the Antarctic Peninsula, NASA says. An inch of snowpack melted in just one day, the agency says. The blue areas in snow on the right are ponds of melted water.

'Antarctica Melts,' NASA Says, Showing Effects Of A Record Warm Spell

Taken just nine days apart, two images illustrate the impact a recent warm period had on the Antarctic Peninsula. NASA says such warmth "has become more common in recent years."

A self-portrait of NASA's Curiosity Mars rover on Vera Rubin Ridge.

What a decade of Curiosity has taught us about life on Mars

Ten years ago today, NASA's Curiosity Mars rover successfully commenced its mission to explore the possibility of life on mars. Here's what it has discovered.

Fun, Fast-Moving 'Nimona' Is A Perpetual Surprise

Noelle Stevenson's webcomic Nimona, about a shapeshifter who aspires to be an evil sidekick, is now out in book form. Reviewer Tasha Robinson praises the story's ebullience, complexity and intensity.

Texas Border City Politically Divided

Texas's 23rd Congressional District is a key swing district that includes the border city of Del Rio. NPR looks at how residents living on the border are impacted by current immigration policies.

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