Welcome to our live blog tracking the latest news and developments from the United States. Stay updated with real-time ...

The U.S. National Institute of Health (NIH) is continuing to fund controversial research on dogs and cats, despite promising to move away from using animal testing. On April 29, NIH director Jay ...

Hopkins expert Thomas Hartung discusses an announcement by the nation's largest biomedical research funder that it will no longer consider grant proposals that do not include alternative testing model ...

Human organs-on-chips and organoids offer new alternatives to animals for drug development, but there is still a long way to ...

Earlier, in January 2025, the FDA released a companion piece of draft guidance titled “Considerations for the Use of ...