Early Screen Time Linked to Long-Term Brain Changes, Teen Anxiety

Summary: New research following children for more than a decade links high screen exposure before age two to accelerated brain maturation, slower decision-making, and increased anxiety by adolescence. Infants with…

Artemis 2 moon astronauts rehearse for launch day (photos)

NASA’s first crewed mission toward the moon in more than half a century moved closer to liftoff recently, as the Artemis 2 astronauts completed a full launch day dress rehearsal…

Rare Roman-Era enamelled fibula found near Grudziądz

A rare, enamelled fibula unearthed near Grudziądz is being hailed as only the second discovery of its kind in Poland. Members of the Grudziądz Fortress Association found the artefact during…

Missing Brain Receptor May Hold the Key to Autism

Summary: Autistic adults show reduced availability of a key glutamate receptor, mGlu5, across widespread brain regions. This difference supports the theory that an imbalance between excitatory and inhibitory signaling may…

Is Your Oral Bacteria Influencing Multiple Sclerosis?

Summary: High levels of the periodontal bacterium Fusobacterium nucleatum may be associated with more severe disability in people with multiple sclerosis. Researchers analyzed tongue-coating samples and found that MS patients…

Viewpoint: RFK, Jr.’s cronies offered global vaccine expert Dr. Paul Offit $1 million to debate the safety of vaccines. He said no. Why? They’re disingenuous and nuts

Several years ago, people representing RFK Jr., who at the time was head of the anti-vaccine group, Children’s Health Defense, offered me $50,000 to debate him about the safety of…

Stroke Weakens How the Brain Integrates Speech Sounds

Summary: A new study comparing stroke survivors with healthy adults reveals that post-stroke language disorders stem not from slower hearing but from weaker integration of speech sounds. While patients detected…

Doubting Your Doubts Can Boost Motivation

Summary: When people facing uncertainty about an important identity goal are nudged to question the validity of their own doubts, their commitment to that goal actually increases. The research demonstrates…

Iran says it launched 3 satellites to space on Russian rocket: report

Iran has launched a trio of new satellites into space with the help of a Russian rocket, the country’s state media reported Sunday (Dec. 28). The satellites launched into orbit…

Science taught us a few new tricks about our pets in 2025

Carly Kay is the Fall 2025 science writing intern at Science News. She holds a bachelor’s degree in communication from the University of California, Santa Barbara and a master’s degree in science…