Different measurements of the cosmic expansion rate disagree. The James Webb telescope could determine whether that disagreement is real.

Anne Giblin: The Great Marsh is the name for a complex of marshes that actually goes into New Hampshire and down into Essex. And it’s the largest remaining swamp marsh left in New England. It’s ...

Nuclear clocks could rival atomic clocks and allow for new tests of fundamental physics. A new experiment demonstrates all the ingredients needed.

The 50-million-year-old Pegasus volans isn't closely related to seamoths or oarfish, like some researchers have suggested. But what is it?

A missing porbeagle shark was likely killed by a great white. It’s the first known case of adult porbeagles being hunted by a predator, scientists say.

Warmer winters are fast becoming a global phenomenon and can affect everything from the food we grow to the spread of diseases.

Tumor-infiltrating lymphocyte, or TIL, therapy is the first T cell treatment for solid tumors. It fights melanoma and maybe other cancers too.

Actress Danielle Fishel's diagnosis has raised awareness of a condition that affects about 50,000 U.S. women annually.

Mayonnaise’s texture is perfect for mimicking what a fusion fuel capsule goes through after it’s blasted with lasers.

The fungus thrives on everything from soy pulp to bland custards, turning them into digestible foods with a surprisingly pleasant flavor.

The LZ dark matter experiment has ruled out weakly interacting massive particles, or WIMPs, with a wide range of properties.

Data from NASA’s Parker Solar Probe and ESA’s Solar Orbiter might have cracked an enduring solar riddle. But not everyone yet agrees.