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.

Research organizations should start sharing with the public information, stories, photos, and videos on how animals are cared for and used in science.

Some researchers say the abrupt end of the program will hobble the fight against a common parasite.

After the release of an undercover investigation, Corteva Agrisciences announces it will release 36 beagles for rehoming.

The drop may be due to fewer inspections, but critics say the USDA also appears to be avoiding documenting the violations.