Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

Researchers at Osaka Metropolitan University in Japan have discovered a previously undiscovered behavior in cleaner wrasse ...

Researchers at Osaka Metropolitan University in Japan have discovered a previously undiscovered behavior in cleaner wrasse (Labroides dimidiatus ...

Krupa Padhy uncovers how we really learn foreign languages – in a dual challenge involving both Portuguese and Mandarin.

I decided to switch to a brand with more meat content – and I've noticed a real difference in my cats energy levels ...

Her muse this season is the intrepid artist Fano Messan, a contemporary of Man Ray and Dali. “She was in the shadow of all ...

Scientists have identified a mirror-image form of the amino acid cysteine that selectively slows the growth of certain ...

Living cells are highly organized, yet they are not assembled using rigid blueprints or by following a predetermined plan.

From the iconic to the eccentric, here is a look at the most famous — and occasionally dangerous — celebrity animals to live among the rich and famous.

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

After a quiz bowl changed her path, Dr. Zena Herrera returns to Arkansas to study how pregnancy stress and production shape ...