Ancient footprints discovered in Kenya belong to two different species of human relatives who walked on the same ground at the same time 1.5 million years ago, a study found.

Researchers set up cameras in the area to capture future appearances. Experts thrilled as tourist captures photos of rare forest creature for first time in 90 years: 'A strong sign' first appeared on ...

Two species of ancient human relatives crossed paths 1.5 million years ago. Fossilized footprints in Kenya captured the moment, according to a new study.

A major study of U.K. dietary habits has found that the food we eat contains an average of at least 49 different species each week.

More than a million years ago, on a hot savanna teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have ...

What are the most common types of caviar? Different species of sturgeon yield different types of roe with their own characteristics, including color, size, texture, and of course, flavor.

The Gecko Gallery NYC, created by two gecko lovers, hosts species from across the globe in a range of environments.

Kelsey James/NOAA Fisheries Gary Longo was looking for what he thought would be small genetic differences across a single species of small, ocean-dwelling fish: Pacific sardine. But as he examined ...

Two different species of geese — a greater white-fronted goose and a Canada goose — built a nest together in a Portland area park.

The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" villain.

Camera traps reveal dhole, an endangered species, in northeastern India’s KKAL. Once extirpated, the sighting signals hope for the rare predator’s survival.

With about 600 different species of bees in Washington, you would think it would be easy to spot one. But that black and yellow insect you see quickly darting from flower to flower could just as easil ...