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So long, last North American ice sheet

The last remnant of a once-enormous ice sheet will be gone in about 300 years, according to a new study. Scientists say warming temperatures are the reason.

Record low sea ice at both poles

Considering both poles in February 2017, Earth essentially lost the equivalent of a chunk of sea ice larger than Mexico, in contrast to the average global minimum for 1981-2010.

Lenticular clouds look like UFOs

Glorious photos of rare lenticular clouds, sometimes called UFO clouds, plus a word about how they form.

How a Venus flytrap knows to snap shut

Cool video, especially if you’ve never seen a Venus flytrap in action.

Great Barrier Reef is dying

Authors of a cover story in journal Nature this week called for immediate global action to reduce the magnitude of climate warming in order to secure a future for coral reefs.

Real-life Hoth is disappearing

Hardangerjøkulen, the Norwegian ice cap better known to Star Wars fans as the ice planet Hoth, is melting and may disappear by 2100.

What moves Death Valley’s sliding stones?

People used to think that strong winds caused the rocks to move across Death Vally’s Racetrack Playa. Turns out, it’s not.

Most US wildfires ignited by people

A study reports that 84% of U.S. wildfires between 1992 and 2012 were started by things like discarded cigarettes, unattended campfires, and arson.

Why pandas are black and white

The giant panda’s distinct black-and-white markings have two functions: camouflage and communication, says a new study.

GOES-16’s 1st flashy images

Detecting and predicting severe weather just got easier, scientists announced, with the 1st images from a new Lightning Mapper onboard NOAA’s new GOES-16 satellite.

Beautiful video: Dolphin stampede

Truly one of the most wonderful videos we’ve seen. If you watch, you’ll see thousands of dolphins, plus a whale calf snuggling with its mom.

California sediments pour into the sea

Drought plagued California and much of the American Southwest for nearly 5 years before this year. Now satellites see swollen rivers dumping sediments into the sea.

World’s oldest microfossils in Canada

A new discovery provides direct evidence of one of Earth’s oldest life forms, in a place known to harbor some of Earth’s oldest rocks.

Born in March? Here’s your birthstone

Happy birthday to all you March babies. Your month has 2 birthstones – the aquamarine and the bloodstone.

Galapagos tortoise back from the brink

Galapagos giant tortoises, once on the brink of extinction, have made a comeback.

When is the next leap year?

If there were no leap years, eventually February would be a summer month for the Northern Hemisphere. 2017 isn’t a leap year, but 2020 will be.

Storm chasers honor Bill Paxton

An amazing several-state tribute – stretching across Tornado Alley – honoring Twister star Bill Paxton, who died Sunday due to complications from heart surgery.

20 years after Dolly

Everything you always wanted to know about the Dolly the cloned sheep and what came next, from a biomedical researcher and cloning expert.

Ancient tortoise reveals tropical DNA

This is a rare look at tropical DNA, courtesy of an ancient giant tortoise that tumbled into a sinkhole 1,000 years ago.

Scientists spy 8th continent, Zealandia

A long-lost land mass is submerged in the depths of the southwestern Pacific Ocean. Should it be recognized as a full-fledged continent?