Carl Zimmer

Scientists have unearthed logs in Africa that are nearly a half-million years old, the remnants of large wooden structures crafted by our early ancestors.

The population crashed following climate change about 930,000 years ago, scientists concluded. Other experts aren’t convinced by the analysis.

Three studies in elite journals found that tumors are littered with microbes. But several teams have been unable to replicate the work.

El cetáceo, que posiblemente pesó unas 200 toneladas, fue descubierto por un paleontólogo peruano en el desierto al sur de Lima en 2010.

So-called “epigenetic clocks” are helping wildlife biologists estimate the ages of animals far more easily than in the past.

Los científicos están revisando una influyente teoría que argumentaba que la evolución de los cerebros grandes en bebés y pelvis estrechas en mujeres lo volvía arriesgado.

The analysis marks the first time historical DNA has been used to trace the descendants and distant cousins of enslaved people, researchers said.

Perucetus drifted through shallow seas like a gigantic manatee, scientists suspect.

Scientists are revisiting an influential theory that the evolution of big brains made human childbirth risky.

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found.