Scientists have recently discovered that different diets — say, high-fat versus low-fat, or plant-based versus animal-based — can rapidly and reproducibly alter the composition and activity of the gut microbiome, where differences in the composition and activity can affect everything from metabolism to immunity to behavior.

New study debunks long-held theory that dolphins had ridged skin, which helped them swim faster.

Biology Professor Cassandra G. Extavour debunks old hypotheses about form and function on insect eggs using new big-data tool

A new NASA-funded program will study water worlds and environments to understand the limits of life as part of the search for life on other planets.

With an innovative technique called anatomical network analysis, clear patterns emerge that help solve the puzzle of how fins became limbs 420 million years ago.

The A.R.T.’s “Endlings” features characters whose lives are completely foreign from, yet connected to, playwright Celine Song.

Steps to limit climate change require not only scientific advances but social and policy changes that spread the benefits of alternative energy sources, professor Daniel M. Kammen said in Radcliffe lecture.

Steps to limit climate change require not only scientific advances but social and policy changes that spread the benefits of alternative energy sources, professor Daniel M. Kammen said in Radcliffe lecture.

The American Repertory Theater’s production of "ExtraOrdinary" samples a decade of musicals while tapping into performers’ stories.

A whimsical artist’s work is being celebrated in the exhibit “Introducing Tony Conrad: A Retrospective” at Harvard’s Carpenter Center for the Visual Arts and MIT's List Visual Arts Center.