For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star.

There is no shortage of global suffering and need, says the director of Harvard Humanitarian Initiative, but you can still help.

New Harvard study finds pollination loss removes healthy foods from global diets, increases chronic diseases causing an estimated 427,000 excess deaths annually.

Harvard scientist Adam Cohen breaks down breakthrough that might prove major turning point in clean energy efforts — but not any time soon.

As America grows fatter, scientists continue to debate the causes of the obesity crisis, while the founder of Children’s Hospital’s weight clinic says the predominant “cut calories” approach may have the problem backward.

Katherine Koh, a street psychiatrist at Mass. General Hospital, explains the complicating factors behind New York City’s proposal to involuntarily treat mentally ill homeless people.

Humans lose them after embryonic development, unlike some animals. New Harvard research offers potential insights into why.

Researchers have linked the molecular signatures underlying brain aging with the cognitive decline observed in patients with severe COVID-19.

You believe in climate change but drive a gas-guzzler, don’t recycle. Why? Neuroscientist explores in new book.

A study overturns the long-held belief that ancient species grew at slow, steady pace, and offers insights into human maturation.