Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In a world first that challenges what we thought we knew about biology, ...

Energy-making chloroplasts from algae have been inserted into hamster cells, enabling the cells to photosynthesize light, according to new research in Japan. It was previously thought that combining ...

Using mathematical analysis of patterns of human and animal cell behavior, scientists say they have developed a computer program that mimics the behavior of such cells in any part of the body. Led by ...

Professor Suzannah Williams wishes she didn’t have to spend her days analyzing poop samples. It’s a dirty job; but someone’s got to do it. Biodiversity is rapidly dwindling, with wildlife populations ...

Scientists have developed a new surgical technique for implanting multiple tissue grafts in the eye's retina. The findings in animals may help advance treatment options for dry age-related macular ...

Following Congress’s repeal of the FDA’s long-standing animal testing requirement, the Environmental Protection Agency is now taking major steps toward adopting faster, cheaper, and more ...

Last November, the UK government announced a bold plan to phase out animal testing in some areas of research. Animal tests for skin irritation are scheduled for elimination this year, and some studies ...