2025 was the third hottest year on record, but thousands of cities saw record heat and one broke a record for cold. By Harry Stevens and Eric Niiler Last year was Earth’s third hottest globally, but ...

Planet or Plastic? is National Geographic’s multiyear effort to raise awareness about the global plastic trash crisis. Come to this page often to learn more, and find out what you can do to reduce ...

In the year after surgery for primary congenital glaucoma, rigid gas-permeable contact lenses led to significantly better visual outcomes than spectacles, according to a study published in JAMA ...