Canada has had more than a year of continuous measles transmission. The United States has until January to limit cases before losing status.

Foot bones and other fossils have been attributed to Australopithecus deyiremeda, a recently discovered species that may shake up the human family tree.

Like exercise, gratitude takes many forms. Finding the right practice, research shows, is up to the individual.

As action from the U.N.’s huge COP30 international meeting falls short, smaller groups are banding together to find ways to fight climate change.

A microphone on NASA’s Perseverance rover recorded the sounds of electrical discharges generated by dusty gusts.

Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.

Takanori Takebe’s strange investigation into whether humans can use the gut for breathing has surprisingly sentimental origins: helping his dad.

The mRNA platform offers the advantage of faster vaccine production, which could allow more time to decide on which flu strains to cover.

In people at risk for Alzheimer’s disease, researchers linked minimal to moderate physical activity to a 3-to 7-year delay in cognitive symptoms.

Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

Recent U.S. decisions about vaccines signal bigger changes to come that could threaten the foundation of the national childhood immunization schedule.

Polar marine ecologist Marianne Falardeau investigates how Arctic ecosystems are shifting under climate change.