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Multilevel selection is a controversial concept originally proposed by Darwin. A new study found evidence for it in the wild in a group of marmots scientists have been observing for more than 60 years.

Keeping your chats secure is a good idea, but end-to-end encryption is just the beginning of the list of options to consider when picking a messaging app.

Students explore nuclear facilities in virtual reality and learn about the ethical dimensions of nuclear technology in a University of Michigan course.

A decade of fieldwork is revealing how one of biology's fundamental principles works in real time.

Sigmund Freud originally developed the idea of repression and actually revised his definition later in life.

Scientists have described antimicrobial resistance as an overlooked pandemic. Improving surveillance can help prevent deadly outbreaks.

The number of insect species is mind-boggling - and they are a critical part of the environment.