The lab animals had more natural microbiomes seeded by wild mice, unlike conventional models that are kept in sterile conditions.

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

Becoming a neuroscientist with a service dog by your side presents numerous challenges. Joey Ramp, who went back to college to study her own post-traumatic stress disorder, is learning this the hard way.

United Airlines, British Airways, China Southern Airlines, and Qatar Airways face a formal complaint over their refusal to transport animals for scientific research.

Joey Ramp went back to college to study post-traumatic stress disorder. But the dogs that help her manage her own PTSD complicate her research career.

A report finds a decline in the number of experiments involving animals in 2017, noting a particular decrease in procedures on dogs and primates.

Nearly 600 signatories, including four Nobel Prize winners, urge openness about animal experiments.

A pilot program announced last month will consider combining announced and surprise inspections.

Including as few as two labs in a study improved the odds of getting the true effect size by as much as 23 percentage points, according to a replication model.