The chance of developing cerebral venous sinus thrombosis was nearly 10 times higher in the two weeks following a diagnosis of SARS-CoV-2 infection than after receiving an mRNA vaccine, a data analysis finds.

Human stem cells injected into early monkey embryos proliferate and contribute to multiple cell lineages over 20 days of embryonic development.

Find the latest updates in this one-stop resource, including efficacy data and side effects of approved shots, as well as progress on new candidates entering human studies.

Mice and flies given the polyamine in their diet have increased brain cell metabolism and cognitive function, and epidemiological data hints at a similar benefit in humans.

Scientists from MIT reveal the hidden music in spiderwebs.

The National Academy of Sciences is reviewing complaints about astronomer Geoffrey Marcy and geneticist Francisco Ayala, who left their academic positions following investigations at their institutions.

At a time of fast-paced science and rampant misinformation, can we trust the non–peer-reviewed literature?

The FDA and CDC are investigating a handful of reports of blood clots that occurred several days after people received the one-and-done shot.

The National Academies’ report touches on ethical issues raised by new technologies such as brain organoids and human-animal chimeras, and suggests that current regulatory oversight is sufficient.