A new AI tool discovers harmful side effects of cannabis products from Reddit posts. Public health workers could use this info to help keep people safe.

More work needs to be done to create viable human embryos, but the method might someday be used in IVF to help infertile people and male couples.

Newly found engravings of animals on rock outcrops in Saudi Arabia’s Nefud desert show nomads lived there thousands of years ago.

Tests show pasteurized dairy with H5N1 remnants did not cause illness in mice, supporting safety of milk during outbreaks.

Chemists have discovered tiny zaps of electricity moving between “swamp-gas” bubbles. Could they ignite methane gas to glow as dancing blue flames?

Cancer cells transfer mitochondria through nanotubes to healthy neighboring cells, turning them into tumor-supporting accomplices, a new study shows.

From 2013 to 2023, the prevalence of self-reported difficulties with memory, concentration and decision-making nearly doubled among young adults.

Squiggly markings like a punk rock hairdo led researchers to identify the remains as spongelike animals that may have lived around 560 million years ago.

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 ...

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.

An experimental gene therapy slowed Huntington’s by up to 75 percent in a small clinical trial. While not a cure, it may give patients longer lives.

Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News ...