In 2025, researchers watched an interstellar comet, learned about human origins and traced the spread of measles.

Science

The Ten Most Significant Science Stories of 2025, From Medical Breakthroughs to an Interstellar Visitor

All year long, these moments captivated the public, demonstrated dangerous trends, and pushed research and innovation forward

Carlyn Kranking, McKenzie Prillaman and Marta Hill

The crowd stood beneath a large mistletoe installation for the world record attempt on December 13.

Smart News

Thousands of Couples Gather Under the Mistletoe in Washington, D.C. to Kiss Their Way Into a New World Record