The inspection reports that had been removed a few years ago due to privacy concerns have resurfaced, pleasing animal rights advocates.

Current bills in Congress would apply similar provisions to all federal agencies.

Video taken at the Laboratory of Pharmacology and Toxicology contract testing facility appears to show mistreatment of monkeys, dogs, and cats.

The birds also decrease their heart rate and chill their blood to maintain flight in hypoxic conditions.

Many preclinical studies carried out in vivo are poorly designed and generate irreproducible data, but efforts to address the problem are on the rise.

A newfound family of metabolites emits green light in response to the blue light of the deep ocean, causing certain sharks to glow.

External satellite transmitters fitted to the animals’ heads track their movements and habitat use.

Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.

Staff at the UK’s Harwell Institute were notified that a strategy board recommended halting its academic work, but a final decision is months away.