Tests that measure biological aging are informative tools for studying large numbers of people but not for tracking individual health status.

If your phone breaks, it's impossible to fix it yourself. The reason for that lies with a set of laws that emerged decades ago.

Techniques for analyzing DNA have advanced, enabling scientists to better understand disease outbreaks throughout history.

Generative AI is destroying the baseline assumption that photographs bear some causal connection to reality. That's bad news for democracy.

In the book "The Echoing Universe: How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.

Last week, a common hormonal condition that impacts millions of people got a new name. Tell us what you think about the change.

Archaeologists have found 260 burials in the Sahara that predate ancient Egypt.

AI chatbots normalize sexual violence, initiate unwanted sexual conversations and offer personalized stalking advice because of how they're designed. Their makers need to be held accountable.

It's not just thinner bears that are coming ashore as the climate warms.