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A new type of aurora, called auroral dunes, produces horizontal, undulating stripes of green that resemble mounds of sand on a beach.

A New Type of Aurora Ripples Across the Sky in Horizontal Green ‘Dunes’

Originally observed by citizen scientists, the unusual light show might help researchers better understand a poorly studied layer of the atmosphere

People walk past closed entrance of the Forbidden City in Beijing.

Forbidden City and Parts of Great Wall Close Temporarily in China to Limit Spread of Coronavirus

Authorities are trying to reduce the number of big crowds as China celebrates the Lunar New Year

The rain brought relief from fire, but coaxed funnel spiders from their hideouts.

Australia Rains Bring Relief From Fires—and a Surge in Deadly Spiders

Encouraged by wet and hot conditions, male funnel-webs spiders are venturing out to find mates

A mathematical model suggests coarser grinds might make for better, more consistent espresso with a lower price tag.

Mathematically Speaking, You’re Probably Grinding Your Espresso Too Finely

The secret to consistently tasty, cost-effective espresso is a coarser grind, according to mathematical models

Despite how this iguana looks, it is actually note dead, just cold-stunned. It will likely thaw-out as the sun warms it back up.

Florida’s Weather Forecast? Cold, With a Chance of Iguanas

Stunned by chilly weather, the invasive lizards were dropping out of trees in the Sunshine State

Scientists filmed a pair of rhenium atoms (simulated here in green) as they bonded over a carbon nanotube (grey)

Watch First-Ever Footage of Atoms Forming and Breaking Bonds

The team used transmission electron microscopy to film the atoms dancing down a carbon nanotube

Coronaviruses, like the newly identified Wuhan coronavirus, are so named for their halo- or crown-like appearance.

Officials Pinpoint First COVID-19 Case in United States

The mostly mysterious pathogen is known to pass from person to person, causing respiratory illness

Kelsey Rose Juliana, one of 21 plaintiffs in Juliana v. United States, speaks at a rally in Portland, Oregon on Tuesday, June 4, 2019. That day, three federal judges heard arguments for the case.

Appeals Court Dismisses Kids’ Climate Case

The court conceded that the case was compelling but concluded that "such relief is beyond our constitutional power."

These scavenging bird could use a lesson or two in manners.

Vulture Poop Has Compromised a Customs and Border Protection Radio Tower in Texas

Officials are scrambling for a solution to the fecal fiasco

Chinese authorities found that He's team falsified regulatory paperwork.

Scientist Behind First CRISPR-Modified Babies Sentenced to Three Years in Prison

He Jiankui faced backlash immediately after announcing the twins’ birth late last year

The irony of trucking fake snow into a city that typically has to spend millions on snow removal was not lost on locals in Moscow.

Moscow Brought in Fake Snow for New Year's Eve Festivities to Counter an Unseasonably Warm December

A lack of festive atmosphere isn't the only issue; the city's snowless New Year's points to the serious effects of climate change on Russia

Of the 47 visitors to the island at the time of the eruption, six died, eight are missing and 31 remain hospitalized.

At Least Six Tourists Dead After New Zealand Volcano Erupts

Forty-seven people were visiting the most active volcano in the country when it erupted on Monday afternoon

Classic Blue is a deep shade “suggestive of the sky at dusk,” “solid and dependable,” and a “restful color,” according to Pantone.

Pantone's Color of the Year Is 'Solid and Dependable' Classic Blue

Some have decried the selection as dull, but Pantone prefers to frame it as "a timeless and enduring hue"

Iman died of cancer on November 23 at a sanctuary in Borneo.

Sumatran Rhinos Are Now Extinct in Malaysia

Iman, a 25-year-old female and the last Sumatran rhino in the country, died on Saturday

Yersinia pestis, the bacteria that cause plague, survives on fleas that live on rodents, like rats and rabbits.

Three Cases of Plague Diagnosed in China

Officials say the risk of an outbreak is low, but many are concerned that information about the cases is being restricted

Sweet Narwhal will be adoptable soon, but he is not for sale. He is a very good boy, of course.

Meet the ‘Unicorn Puppy’ With an Extra Tail on His Head

Narwhal’s unique appendage may be the remnant of his parasitic twin

Two cows photographed in 2017 on Cedar Island. Three cows, not pictured, were found later following Hurricane Dorian.

Three Cows Swept Away by Hurricane Dorian Have Been Found Alive

Officials think the brave bovines swam between four and five miles to the Cape Lookout National Seashore

Hoh Xil, on the Tibetan Plateau, sits in what will soon be Sanjiangyuan, China's first national park, according to Getty.

China Is Developing a New National Parks System, Inspired by Yellowstone and Yosemite

The first one to open will encompass a high-altitude, remote region of the Tibetan Plateau

More than 60 bushfires destroyed 200 homes in Australia.

Australia Is Battling ‘Catastrophic’ Bushfires

‘I’ve been in this industry for 40 years and I have not seen a scenario like this before,’ one fire official said

For 100 years, the Iron Scow was lodged in the same place in the "powerful upper rapids" above the Canadian Horseshoe Falls, according to Niagara Parks. On Halloween weekend this year, it shifted for the first time.

A Historic Boat, Stuck Above Niagara Falls Since 1918, Finally Breaks Free

But the vessel’s joyride didn’t last long; it is now lodged in a new location some 160 feet downriver

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