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.

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

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

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

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

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.

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.

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Digital reconstruction of a partially crushed skull suggests new insight into Homo sapiens’ evolutionary relationship to Denisovans and Neandertals.

Despite millions of years of evolutionary separation and a geographical divide, a blue jay and green jay mated in Texas. This bird is the result.