
New Study Probes How Same-Sex Behaviors Evolved in Nonhuman Primates
New research links same-sex behaviors in nonhuman primates to the evolution of complex social structures
Jackie Flynn Mogensen is a breaking news reporter at Scientific American. Before joining SciAm, she was a science reporter at Mother Jones, where she received a National Academies Eric and Wendy Schmidt Award for Excellence in Science Communications in 2024. Mogensen holds a master’s degree in environmental communication and a bachelor’s degree in earth sciences from Stanford University. She is based in New York City.

New Study Probes How Same-Sex Behaviors Evolved in Nonhuman Primates
New research links same-sex behaviors in nonhuman primates to the evolution of complex social structures

NASA Announces Return Date for Evacuating ISS Astronauts
Four ISS crew members are set to touch down on Thursday after NASA announced the first medical evacuation in the space station’s history

Why Your Brain Puts Off Doing Unpleasant Tasks
A new study in macaques identifies a brain circuit that acts like a “brake” on motivation

These Bizarre, Centuries-Old Sharks May Have a Hidden Longevity Superpower
The very, very long-lived Greenland sharks were long thought to be practically blind. But a new study finds that they not only can see but also maintain their vision into old age

Ocean Temperatures Just Hit a Dire New Record
The world’s ocean absorbed more heat in 2025 than in any other year on record

Your Dog Might Be Eavesdropping on You
A new study reveals that some smart dogs can learn words just by overhearing humans’ conversations

This Newly Discovered Asteroid, Almost Half a Mile Wide, Just Set a New Speed Record
A giant asteroid has sent astronomers into a spin, setting a record for how fast it rotates on its axis

Archeologists Just Found a 2,000-Year-Old Battle Trumpet That May Be Linked to Queen Boudica
This newly discovered Iron Age instrument may have been played in the Celtic resistance against the Roman Empire

OpenAI Would Like You to Share Your Health Data with Its AI Chatbot
Users will be able to upload their health data to ChatGPT in order to get what OpenAI has described as a more personalized experience

The Race to Find Leonardo da Vinci’s DNA Just Took a Major Twist
Scientists have uncovered genetic evidence that they say may be linked to the Renaissance master, but some experts are more skeptical

‘Microbubbles’ Help Spread Dangerous Microplastics Through Our Water, Study Finds
Water plays a crucial role in how tiny pieces of plastic enter our environment—and us

This Year’s Flu Season Just Surpassed a Grim New Record
Almost one in 10 people who visited a doctor in the U.S. in the week ending on December 27 were there for flulike symptoms, according to new data

U.S. Axes Number of Recommended Childhood Vaccines in Blow to Public Health
The U.S. Centers for Disease Control and Prevention is reducing the recommended number of vaccines for children to those that protect against 11 diseases instead of the protections against 17 illnesses that it recommended previously

Stunningly Hot Galaxy Cluster Puts New Spin on How These Cosmic Behemoths Evolved
Scientists detected gas at least five times hotter than previous theories had predicted inside a galaxy cluster from the early universe

Longest-Ever Look at Stormy Region on the Sun Offers New Clues to Space Weather
Scientists observed an active region on the sun for a record 94 days, marking a “milestone in solar physics”

Scientists Just Clocked a ‘Rogue’ Planet the Size of Saturn
Astronomers just measured the mass of a free-floating planet without a star for the first time

The Push to Make Semiconductors in Space Just Took a Serious Leap Forward
Space Forge plans to manufacture semiconductors from space—without the need for humans