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The 3D bioprinter at the Collins BioMicrosystems Laboratory at the University of Melbourne.

New 3D Bioprinter Could Build Replicas of Human Organs, Offering a Boost for Drug Discovery

The invention uses light, sound and bubbles to quickly create copies of soft tissue that might one day support testing individualized therapies for cancer and other diseases

Sierra Nevada yellow-legged frogs are rebounding from near-extinction in California.

Endangered Sierra Nevada Yellow-Legged Frogs Are Making a Comeback

Scientists are celebrating the recovery of the species in Yosemite National Park, where they were decimated by the introduction of non-native fish and the deadly amphibian chytrid fungus

The near side of the moon has been studied more extensively than the far side.

The Far Side of the Moon Was Volcanically Active, New Studies Confirm

Scientists analyzed the first and only rock samples from the region, which were brought back to Earth as part of a recent Chinese mission

The cub belongs to the species, Homotherium latidens, and was unearthed from the Badyarikha River in Yakutia, Siberia.

A 35,000-Year-Old Saber-Toothed Cub Was Unearthed in Siberia—and It Still Had Its Whiskers and Claws

The frozen kitten, discovered in 2020, has stunned scientists with its remarkably well-preserved body

Australian Reptile Park spider expert Rob Porter milks a male Sydney funnel-web spider to create antivenom in 2001.

Australian Zoo Asks Residents to Capture the World’s Most Venomous Spider: the Deadly Sydney Funnel-Web

The Australian Reptile Park’s annual callout is crucial to creating life-saving antivenom

Albert Hoffman, the chemist who first synthesized LSD, as photographed in 1976

On This Day in History

Discover the Origins of a Psychedelic Drug Synthesized by a Swiss Chemist Who Claimed It 'Found and Called Me'

Five years after he created LSD in a lab on this day in 1938, Albert Hofmann accidentally underwent the first acid trip in human history, experiencing a kaleidoscope of colors and images in a sleepy Swiss city

William Shakespeare, Walt Whitman, Sylvia Plath and Emily Dickinson were among the well-known poets with works included in the new study.

ChatGPT or Shakespeare? Readers Couldn't Tell the Difference—and Even Preferred A.I.-Generated Verse

A new study suggests people might like chatbot-produced poems for their simple and straightforward images, emotions and themes

One of the images that triggered rumors about astronaut Suni Williams' health. Here, she displays radiation measurement hardware.

NASA Addresses Rumors About Health of Starliner Astronaut on the International Space Station—Again

The space agency’s chief health and medical officer refutes claims that Suni Williams, who is on the unexpectedly extended Boeing Starliner mission, appears unhealthily thin

The researchers made experimental spindles and whorls based on 3D scans of the pebbles.

These Mysterious 12,000-Year-Old Pebbles May Be Early Evidence of Wheel-Like Tools, Archaeologists Say

Researchers in Israel suggest the roughly donut-shaped artifacts could be spindle whorls, representing one of the oldest examples of rotational technology

A 3D reconstruction of the fossil skull of a youth of an early Homo species from Dmanisi, Georgia. The green, orange and red colors represent the preserved teeth, while the blue represent missing ones and the purple teeth have not been recovered.

New Research

These Fossil Teeth From an 11-Year-Old Reveal Clues to Why Humans Developed an Unusually Long Childhood

Roughly 1.77-million-year-old teeth show that slow development in hominids may have had an earlier start than previously thought, according to a new study

King Arthur's Hall in Cornwall was named for the legendary leader of the Round Table.

New Research

Historians Thought This Was a Medieval Site Linked to King Arthur. It Turned Out to Be a Mysterious Monument Built 4,000 Years Earlier

Researchers have excavated King Arthur's Hall, a rectangular enclosure in southwest England, and determined that it dates to at least 3000 B.C.E.

A diver swims alongside the world’s largest coral colony, located in the Solomon Islands.

See Staggering Photos of the World's Largest Coral, Newly Discovered by Scientists in the Pacific Ocean

The enormous organism is bigger than a blue whale and made up of millions of genetically identical, tiny animals called polyps

Pocket gophers are a type of burrowing rodent known for their extensive tunnels.

New Research

How a Team of Gophers Restored Mount St. Helens After Its Catastrophic Eruption With Less Than a Day of Digging

After the volcanic eruption of 1980, scientists released the burrowing rodents for only a brief time, but their activities left a remarkably enduring impact, according to a new study

The Super Hunter's Moon of October 2024 rises over a headland near Bondi Beach in Sydney, Australia.

See the Full Beaver Moon on Friday, the Last Dazzling Supermoon of 2024

November's spectacle closes out a series of four big and bright full moons that have captivated sky watchers since late summer

An artist's rendering of the X-37B conducting an aerobraking maneuver using the drag of Earth's atmosphere, with the bottom of the craft glowing red as it heats up.

The Secretive Spaceplane of the U.S. Space Force Conducts First-of-Its-Kind Maneuvers

Called aerobraking, the technique allows the highly classified craft to change orbit without using propellant—and some are wondering why the agency has let us in on this news

The Leonids sometimes produce fireballs, or unusually bright streaks of light that linger in the night sky. 

How to See the Stunning Leonid Meteor Shower This Weekend

Though the nearly full moon will likely outshine some of these speedy meteors, you may still be able to catch a glimpse of bright fireballs and low Earth-grazers

In 1986, Voyager 2 took this image of Uranus during its flyby.

New Research

Voyager 2 Measured a Rare Anomaly When It Flew Past Uranus, Skewing Our Knowledge of the Planet for 40 Years, Study Suggests

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that the data could have been affected by a solar wind event

Screenshot from a video of the fireball reported to the American Meteor Society.

Watch a Starlink Satellite Plummet Through the Atmosphere in Videos Captured Last Weekend

The fireball—one of many decommissioned satellites from SpaceX's internet service—was spotted by dozens of people across at least four states, and many mistook it for a meteor

A depiction of the 1833 Leonids, based on a first-person account of the 1833 storm by a minister, Joseph Harvey Waggoner, on his way from Florida to New Orleans.

On This Day in History

Americans Fell in Love With Science When the Breathtaking Leonid Meteor Shower Lit Up the Skies Across the Nation

In 1833, hundreds of thousands of shooting stars inspired songs, prophecies and a crowdsourced research paper on the origins of meteors

Mary, the 54-year-old Asian elephant at the Berlin Zoo, loves using a hose to rinse off.

These Elephants Can Use Hoses to Shower—and Even 'Sabotage' Each Other, Study Suggests

Mary, a 54-year-old Asian elephant at the Berlin Zoo, is the “queen of showering,” but her companion Anchali seems to have figured out how to exploit that habit to play pranks

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