A person receives a Covid-19 nasopharyngeal swab at a testing site in Los Angeles International Airport on December 21, 2021. 

More Than Half of Americans Have Been Infected With Covid-19

The percentage of the population with Covid-19 antibodies resulting from infection rose significantly in recent months

Spotted tree frogs are critically endangered in New South Wales.

Critically Endangered Spotted Tree Frogs Released Into the Wild in Australia

Bushfires, fungal disease, predation and other threats have pushed these amphibians to the brink of extinction

A pied avocet wades in a wetland.

Protected Areas Don’t Always Help Wildlife, Study Shows

After examining waterbird populations, researchers found that how a protected area is managed is key in determining its effectiveness

The Dixie Valley toad lives only in a remote Nevada valley. 

Nevada Toad Receives Rare Emergency Protection

The construction of a geothermal power plant could create problems for the amphibian

Peconic, a 3-month-old gray seal, makes his way back to the ocean.

Baby Seal Found in a Traffic Circle on Long Island Released Back Into the Ocean

The three-month-old gray seal had wandered through streets and parking lots until it was captured by a local nonprofit, rehabilitated and released

The U.S. Preventive Services Task Force released draft recommendation statements for anxiety, depression and suicide risk in kids earlier this week.

Kids as Young as Eight Years Old Should Be Screened for Anxiety, Task Force Says

This guidance comes as experts warn that children are experiencing a mental health crisis, which the pandemic has worsened

Scientist Rebellion protesters in Berlin, Germany

Scientists Stage Worldwide Climate Change Protests After IPCC Report

Over 1,000 scientists from 25 countries took part in the Scientist Rebellion’s demonstrations last week

Officials found thousands of taxidermy animals in a warehouse outside of Valencia, including specimens of cheetah, leopard, lion, lynx, polar bear, snow leopard and white rhinoceros.

Police Find 1,090 Taxidermy Animals in a Private Collection in Spain

The animals include about 400 protected species

ESI acknowledged the deaths of at least 150 bald and golden eagles at 50 of its 154 wind energy facilities since 2012.

Wind Energy Company Pleads Guilty to Killing Eagles

ESI Energy Inc. must pay more than $8 million in fines and restitution after violating the Migratory Bird Treaty Act

The fox walks near Upper Senate Park.

Rabid Fox and Her Kits Euthanized After Nine People Were Bitten on Capitol Hill

Bite victims included a reporter and a U.S. congressman

An image of the original 1970s Arecibo message. 

These Space Scientists Want to Update Earth's Message to Extraterrestrials

The broadcast builds on the 1974 Arecibo message and portrays information about science, math and human life

A page from Darwin's 1837 notebook showing the Tree of Life sketch.

Stolen Charles Darwin Notebooks Returned After 22 Years

One of the items contains the renowned naturalist's first sketch of the Tree of Life

Jaenschwalde Power Station, a brown coal power plant in Germany.

To Prevent Catastrophic Damage by 2100, Climate Experts Warn 'It's Now or Never'

The Intergovernmental Panel on Climate Change states deep and rapid cuts to greenhouse gases are needed by 2025 to avoid an 'unlivable world'

Fossil skeleton of the owl Miosurnia diurna, which was active during the day.

This Ancient Owl Hunted in the Daytime

The fossil evidence fills a gap in these birds' evolutionary history

Spot can reach speeds up to 3mph, has 360 degree vision that helps it avoid obstacles and is protected from dust and rain, per its creator, Boston Dynamics. 

Meet Spot, the Dog-Like Robot Roaming the Ruins of Pompeii

The bot, built by Boston Dynamics, can navigate difficult terrains that humans can't access safely

Researchers at George Mason University are designing an experiment to test whether honey collected from bees foraging near human corpses will contain evidence of those remains. 

 

Forensic Scientists Are Testing Whether Honey Bees Can Help Locate Human Bodies

Researchers think they can find evidence of volatile organic compounds from a decomposing body in honey

The flamingo in Cox Bay near Port Lavaca, Texas. 

Flamingo That Escaped From a Zoo in Kansas Is Spotted Once Again in Texas 17 Years Later

The zoo hasn’t made any plans to catch the bird, saying any attempts might harm the flamingo and other wildlife

Aedes aegypti can carry several diseases, including yellow fever, dengue and Zika virus. 

Why a U.S. Company Plans to Release 2.4 Billion Genetically Modified Mosquitoes

The insects, created by biotech firm Oxitec, will be non-biting males engineered to only produce viable male offspring, per the company

The participants could have been exposed to microplastics through air, water and food, but also through personal care products like toothpaste or lip gloss that might have been accidentally ingested, dental polymers, parts of implants or tattoo ink residues.

Microplastics Detected in Human Blood in New Study

Researchers found plastic in the blood of 17 of 22 of study participants, or about 77 percent

Neural data are decoded and analyzed in real time to control the speller software.

Brain Implants Allow Paralyzed Man to Communicate Using His Thoughts

This study marks the first time a completely paralyzed patient regained the ability to communicate at length, researchers say

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