A Colorado teacher discovered four 66.5-million-year-old footprints in North Dakota, revealing the first known adult T. rex ...

Wisdom, the world's oldest known wild bird, returned to Midway Atoll at age 75 after hatching another egg in 2025, extending ...

New York City's congestion pricing program was linked to a 13% reduction in fine-particle pollution in Manhattan during its ...

A new study finds that informed voters may support stronger climate policies than governments, but disinformation can quickly ...

Many homeless people have brain damage severe enough to limit living on their own, a Canadian doctor wrote, and intensive ...

The first graves found at Göbeklitepe suggest many of its 928 scattered human bone fragments slid downhill from graves under ...

A protein in brown fat answers to the body clock, cold and dietary fat, and mice lacking it burned less fuel, a new study ...

Stars once thought to provide evidence of hypernovae may instead owe their unusual chemistry to ordinary supernovae that ...

When Pangea's tropical forests died 252 million years ago, Earth stayed in a hothouse for five million years. New fossil maps ...

Traces of lead could make Herculaneum scrolls readable by X-ray, and a handheld scanner can pick out which ones carry it.

Senescent cells in mouse lung and skin share a fat-linked signal a laser can detect, a step toward finding them without a ...

Gut bacteria may have accompanied humans for thousands of years, but many species are missing from industrialized populations ...