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An illustration shows the types of megafauna that may have lived near Australia's Mammoth Cave about 50,000 years ago. From left to right: Murrayglossus hacketti, a giant long-beaked echidna; Procoptodon browneorum, the giant kangaroo whose bone is the subject of new research; Zygomaturus trilobus, a giant diprotodontid; and Thylacinus cynocephalus, a Tasmanian Thylacine

A Giant Kangaroo Bone Is Challenging the Idea That Humans Wiped Out Australia’s Megafauna

Indigenous Australians may have been early “paleontologists,” not big-game hunters, according to a new analysis

Culiseta annulata, the mosquito species discovered in Iceland this month.

Iceland Is No Longer Mosquito Free. Is Climate Change to Blame?

It was previously thought to be one of the last places on Earth without the insects

Of the 14 athletes studied in this research, ten competed in ultramarathons and ran up to about 7,000 miles over the course of the year.

How Far Is Too Far for Ultra-Endurance Athletes? This Study of Metabolism Found Out

Individual athletes ran an average of 4,000 miles over a year to help define the human body’s limit for energy expenditure

One of the finalists, titled "I Just Can't Wait to be King," captures lions appearing to sing.

See This Year’s Hilarious Finalists From the Nikon Comedy Wildlife Awards, From Gossiping Leopards to Breakdancing Foxes

The 40 shortlisted photographs pair talented nature photography with humorous captures that often rely on clicking the shutter at just the right moment

Cameras captured nematodes attaching themselves to electrically charged fruit flies. 

These Parasitic Worms Use Static Electricity to Hitch a Ride on Flies

The tiny experiment yielded big results, showing how nematodes hop onto fruit fly hosts

The mysterious object found in Western Australia may be part of a Chinese rocket, experts suggest.

Cool Finds

Miners Discovered a Mysterious Smoking Object in Western Australia. Experts Think It’s Likely Unexpected Space Debris

Some theorize that it’s a piece of a rocket—and part of a growing pile of orbiting space junk

Researchers studied rainforests in northeastern Australia. These wet rainforests are very dense, and their canopies help cool down their ecosystems and store large amounts of carbon.

Australian Rainforests Become the First to Emit More Carbon Than They Absorb

A new analysis finds tropical forests in Australia are not taking in enough carbon dioxide to keep up with the emissions from their decaying trunks, holding possible implications for global ecosystems

Researchers collected images of lizards with missing limbs from experts around the world. Pictured here: an American green anole.

These ‘Pirate Lizards’ Thrive With Three Legs

A new study finds that many lizards with missing limbs fare surprisingly well despite their impairment

The first hand and foot fossils clearly linked to Paranthropus boisei reveal the human relative could have handled stone tools.

Cool Finds

Discovery of First Fossil Hand Linked to P. Boisei Suggests the Bygone Human Relative Could Have Used Tools

A new study sheds light on the enduring mystery of whether our ancient cousins were toolmakers, too

Participants received retinal implants that restored some of their vision. 

Electronic Eye Implant Restored Vision in Patients With Age-Related Macular Degeneration

The device could be a boon for millions with vision loss from advancing age

The otter-surfer interaction last Wednesday 

‘Feisty’ Otters Are Once Again Hijacking Surfboards in Santa Cruz

Is the playful otter stealing surfboards a repeat offender?

The glowing red band represents high concentrations of gamma rays across the center of the Milky Way.

Is This Mysterious Glow at the Center of the Milky Way Caused by Dark Matter?

An excess of gamma rays in the center of our galaxy could mean scientists have finally detected dark matter particles—or not

First-place winner: rice weevil (Sitophilus oryzae) on a grain of rice

These Beautiful Microscope Photos Capture Tiny Pests, Spores, Sensory Neurons and Sunflower Hairs

Nikon has announced the winners of its 51st annual photomicrography competition

Green sea turtles are rebounding, thanks to global conservation efforts.

After Decades of Decline, Some Good News Is Here for Green Sea Turtles

The International Union for Conservation of Nature no longer considers the marine creatures endangered and has instead reclassified them as a species of least concern

Researchers studied ancient tooth fossils and found that a gene mutation in modern humans (right) better protected them against lead and gave them an advantage over Neanderthals (left). 

Our Human Ancestors Were Exposed to Lead, and New Research Suggests It May Have Shaped Human Evolution

Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists are casting doubt on the headline-making study

A new study investigates addiction-like behaviors in dogs.

Does Your Dog Love Chasing a Ball? Study Suggests Dog Toy ‘Addiction’ Is Real

The research documents addiction-like tendencies in canines, offering scientific evidence that appears to support owners’ own observations

Jackie's unusual coloring results from changes to her natural pigmentation process.

Meet Jackie, a 1-in-30-Million Calico Lobster Caught Off the Coast of Massachusetts

Now living at Northeastern University’s Marine Science Center, the striking crustacean has a bright orange shell with black freckles and blue joints

Hematoids can shed light on blood formation during early human development.

Researchers Created Structures That Produced Blood Cells in the Lab—With a Process That Mimics Real Human Embryos

The advance could carry significant implications for studying blood diseases and early human development

A radio image of two black holes orbiting each other in Quasar OJ287. The light comes from the glowing gas surrounding the black holes and the particle jets being emitted.

Researchers Just Revealed the First-Ever Image of Two Black Holes Orbiting Each Other

A new study may visually solve an enduring mystery about a bright object that’s been studied since the 19th century

The V-shaped traps funneled animals downhill into a circular enclosure.

New Research

High in the Andes of Northern Chile, Hunters Once Used These Stone Wall Traps to Capture Prey

Archaeologist Adrián Oyaneder discovered dozens of structures called chacu while reviewing satellite images of the Camarones River Basin

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