Randall Munroe is asking “What If?” again. You might like the answer.

Harvard faculty leaders explain implications for the field — and the future.

At a book talk, marine conservationist David Shiffman explained why he adores sharks and how we can help save them from extinction.

Porous liquids hold promise as bridge therapy, game-changer for artificial blood substitutes, preserving organs for transplant.

Fast climatic shifts due to global warming coincided with high rates of morphological change in most reptiles.

A summer program gives Harvard students firsthand experience with quantum research.

Discovery powered by James Webb Space Telescope could yield new clues on composition, formation of planets outside solar system.

Federico Capasso believed a flat lens could revolutionize advanced products, devices. But he needed help innovating one, and getting it to market.

New study shows that microglia cells “listen in” to neighboring neurons and change to match them.

New Harvard study documents REM in spiders.