Exploring the relationship between cancer cells and nerve cells, which can signal tumors to grow, could unearth ways to slow disease.

Building blocks of life have been found on this moon of Saturn. They may come from chemical reactions beyond Enceladus’ possible life-supporting ocean.

A reptile fossil is the first of its kind with skin and partially webbed feet, possibly showing how later species like plesiosaurs adapted to water.

Nancy Shute discusses the troubling rise of cancer among younger adults, and shares a glimmer of hope for those diagnosed in early childhood.

That can lead to weight loss, despite an unusually high intake of fat. Such results may explain why so many Americans have tried the keto diet on for size. “I think a lot of people look at a ketogenic ...

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

Bats can carry some deadly human pathogens without signs of illness. A new survey shows that other viruses can still be bad for bats.

Each queen plotted to conquer all four islands for herself, and war would certainly have begun, if not for the timely intervention of the four queens’ wise and peacemaking daughters. The clever ...

Demonstrated in rabbits, the 3-D printer might someday print bone grafts directly onto fractures, complete with antibiotics to ease healing.

Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.

Diagnoses for several cancers before age 50 have been increasing rapidly since the 1990s. Scientists don’t know why, but they have a few suspects.

Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.