This Bat Uses Its Oversized Penis as an 'Arm' during Sex
Dozens of mating bats caught on video at a Dutch church reveal an unusual use for their "huge" penises
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China Delays Launch of Its Xuntian Space Telescope
The Xuntian Space Telescope is China’s entry in a global race to unlock the secrets of dark energy, and it will now lift off no earlier than mid-2025 -
Why COVID Vaccines for Young Children Have Been Hard to Get
Access to pediatric COVID vaccines has been hampered by a shortage of doses, higher costs to providers and parental skepticism -
When It Comes to AI Models, Bigger Isn't Always Better
Artificial intelligence models are getting bigger, along with the data sets used to train them. But scaling down could solve some big AI problems -
NASA May Pay $1 Billion to Destroy the International Space Station. Here's Why
The International Space Station—larger than a football field and weighing almost 450 tons—must eventually fall to Earth. It’s a delicate, dangerous process -
Wildfire Brought Wolves Back to Southern California after 150 Years
Wolves and other animals seeking easy meals and ideal habitat can flock into areas burned by wildfire -
Beliefs about Emotions Influence How People Feel, Act and Relate to Others
Thinking about a range of emotions as friends rather than foes improves the quality of our life -
Do Squirrels Remember Where They Buried Their Nuts?
Squirrels spread their fall bounty across several locations. But do they have a key to this treasure map? -
A Black Physician Takes on Racism in Medicine
Physician Uché Blackstock talks about her experience of the huge health disparities faced by Black Americans in her new book Legacy -
New Map Reveals Secrets of Io, the Solar System's Most Volcanic Moon
The best-yet map of active volcanoes on Jupiter’s moon Io hints at a hidden magma ocean—and more -
New Space Station Sensor Can Reveal Hidden Greenhouse Gas Polluters
An instrument mounted to the International Space Station was built to map dust in the atmosphere, but it’s also giving scientists a wealth of information about methane and carbon dioxide emissions -
Weight-Loss Drug Wegovy Slashes Risk of Death in Some People with Heart Disease
The active ingredient in Wegovy and Ozempic reduced the risk of heart attacks and strokes in a large trial of people with cardiovascular disease who were considered overweight or had obesity, but the cost and side effects remain barriers -
The Pandemic Disrupted Adolescent Brain Development
Early research presented at the leading brain conference suggests that the pandemic changed the brains of teenagers -
Leonid and Geminid Meteor Showers Bring Bonanza before Year's End
Two unusual annual meteor showers come at the end of the year, and each can spark astonishing celestial fireworks -
This Biophysicist 'Sun Queen' Harnessed Solar Power
Hungarian-American biophysicist and inventor Mária Telkes illuminated the field of solar energy. She invented a solar oven, a solar desalination kit and, in the late 1940s, designed one of the first solar-heated houses -
Robotics 'Revives' a Long-Extinct Starfish Ancestor
Engineers and paleontologists teamed up to reconstruct an ancestor of starfish from the Paleozoic era and figure out how it moved -
Simple Formula Makes Prime Numbers Easy, but a Million-Dollar Mystery Remains
A generator equation can spit out many prime numbers, but it leaves important mathematical questions unanswered -
Will It or Won't It? Iceland's Volcano Threatens Eruption
An enormous magma intrusion under Iceland’s Reykjanes Peninsula is causing earthquake swarms and forcing evacuations -
Why Does This Hybrid Monkey Glow Green?
Researchers created a monkey that combines cells from two different individuals; a lab technique gave it a strange green glow -
Why the Life Expectancy Gap between Men and Women Is Growing
Women are outliving men by nearly six years—and COVID and drug overdoses are a major cause, according to a new report
