Editor in chief Nancy Shute introduces the new look and format of Science News, as it moves from publishing biweekly to monthly.

It’s all relative Betelgeuse may have a sun-sized companion starthat orbits it about once every 2,100 days, astronomy writer Lisa Grossman reported in “Betelgeuse’s invisible buddy.” The story describes Betelgeuse as “the red giant that marks Orion’s left shoulder.” Reader Chris Jespersen wrote: “I often see Betelgeuse on Orion’s right shoulder…. Am I mistaken?” This

Global temperatures were the hottest on record in 2024; it was the first year where the average temperature topped 1.5 degrees Celsius above preindustrial times.

AI has the potential to make health care more effective, equitable and humane. Whether the tech delivers on these promises remains to be seen.

For more than two decades, Theresa Betancourt has studied Sierra Leone’s former child soldiers. Her new book Shadows into Light tells their stories.

People who recovered from PTSD changed the way their brains handle intrusive thoughts, a study of survivors of the 2015 Paris terrorist attacks shows.

About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.