Scientists Grow Elephant Stem Cells in Key Step Toward Woolly Mammoth 'De-Extinction'
The team's lofty goal of "resurrection" is still far from reality, but scientists say the advancement in understanding cells could help with elephant conservation
Stone Tools Found in Ukraine May Be the Oldest Evidence of Early Humans in Europe
The 1.4-million-year-old rocks may have belonged to Homo erectus, and they shed light on migrations of human ancestors, a new study suggests
Scientists Reject Proposal to Define the Anthropocene, a Geological Age Marked by Human Activity
Experts had suggested a new epoch started in the mid-20th century, but the recent vote demonstrates how tough it is to pinpoint when humans' impact on the planet began
Jupiter's Moon Europa May Have Less Oxygen Than Previously Thought
The new findings could have implications for whether Europa's vast ocean contains the conditions necessary to support life
Single Orca Spotted Killing a Great White Shark for the First Time Ever
In less than two minutes, the marine mammal attacked a juvenile white shark and ripped out its liver in an encounter off the coast of South Africa last year
A Leak on the International Space Station Is Growing, but It Poses No Threat to Crews, NASA Says
The leak, which is at the end of a Russian service module, will not affect the upcoming launch of Crew-8 to the station
Odysseus Moon Lander Is Powering Down After 'Very Successful' Mission
The history-making spacecraft landed on its side, but it spent nearly a week sending data and images back from the moon—and engineers may try to make contact again after the lunar night is over
The World's Smallest Vertebrate Is a Tiny Brazilian Frog, Study Finds
Adult male Brazilian flea toads are just over 7 millimeters long on average, and females measure about 8.15 millimeters
Asteroid Hit by NASA Spacecraft Was Reshaped by the Collision, Study Finds
Instead of forming a crater, the agency's intentional DART crash redistributed massive amounts of the asteroid and shot large quantities of rock into space
Scientists Discover How Some Whales Can Sing While Holding Their Breath Underwater
Baleen whales have evolved unique voice boxes essential for song, a new study finds—but these low-frequency vocalizations must compete with the noise of humans' ships
Flaco, the Famous Owl That Escaped the Central Park Zoo, Dies After Hitting a Building
The Eurasian eagle-owl had been living free in New York City after someone cut the wires on his zoo cage last year
An American Spacecraft Successfully Lands on the Moon for the First Time Since 1972
After a tense touchdown process with last-minute changes, U.S.-based company Intuitive Machines received a signal from its uncrewed Odysseus lunar lander on Thursday evening
ADHD Traits Might Have Helped Hunter-Gatherers Collect More Food While Foraging, Study Suggests
Participants who self-reported ADHD behaviors were better at an online berry-picking game than those who did not report such traits
Astronomers Discover the Brightest Known Object in the Universe, Shining 500 Trillion Times as Bright as the Sun
The quasar—a glowing, active core of a galaxy—has a black hole at its center that consumes more than a sun’s-worth of mass each day
New Satellite Will Track Methane Emissions From Space and Pinpoint Their Sources With A.I.
The mission, set to launch next month, comes as countries and fossil fuel companies pledge to reduce emissions of the powerful greenhouse gas
This Ancient Cave Art Passed Survival Information Across 130 Human Generations in Patagonia, Study Suggests
Dating to as early as 8,200 years ago, the paintings may have maintained collective memories during an extremely dry period in history
CDC Considers Dropping Five-Day Covid Isolation Guideline
While no official decision has been made, symptomatic patients might be able to stop isolating if they are fever-free for 24 hours and are beginning to feel better under the proposed change
This Remotely Controlled Robot Will Conduct a Simulated Surgery on the International Space Station
Robot surgeons could treat astronauts on long space missions—but they could also be used on Earth in places where surgeons aren't present, such as rural areas or war zones
Oregon Resident Catches Rare Case of Plague, Likely From Their Cat
The patient was treated during the earlier stages of disease, so the community faces little risk, according to health officials
A.I. Learns Words From a Human Baby's Perspective, Using Headcam Footage
With only limited training, the model could correctly identify certain objects, suggesting some elements of learning language are not innate to humans
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