Hidden high in the White Mountains of eastern California, a gnarled, weathered tree quietly holds a staggering secret — it’s nearly 5,000 years old.

To confront bias, scientists say we must examine the ontological frameworks within large language models—and how our perceptions influence outputs.

A chainsaw artist in Vermont has given an old tree a new lease on life. If a chainsaw comes close to a tree it's usually game ...

A selection of the week's best photos from across the African continent and beyond: ...