Science & Tech

Analyzing more than two decades’ worth of supernova explosions, astrophysicists now have the most precise limits yet on the composition and evolution of the universe.

The best thing about learning science through barbecue is the flavor.

Genomic look at remains suggests victorious army got hand from substantial number of foreign mercenaries.

For the first time, astronomers have observed a black hole burping up stellar remains years after it shredded and consumed the star.

Harvard researchers take sea level fingerprints from theory to fact.

Tree rings could hold clues to climate change and forest change.

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.

John Holdren, who served as President Obama’s top adviser on science and technology policy, discusses the climate deal and its potential impact.

Study finds striking similarities in infant-directed speech and song in cultures spanning six continents.

New genetic research shows untold migration to remote Pacific islands was generally matrilocal.

Google adopts sociologist’s skin-tone scale, which aims to promote inclusion, diversity, help fix problems in facial recognition, other technologies.

Harvard researchers have developed a biodegradable, antimicrobial food packaging system that extends shelf life and eliminates foodborne illness.

Harvard scientists have developed a revolutionary new mechanism that could unlock environmentally friendly air conditioning.

Researchers look at “replay” during sleep, which is theorized to be a strategy the brain uses to remember new information.

Women scientists have seen gains in STEM since the addition of Title IX, but culture remains an obstacle.

According to a new study, bonobo group dynamics show they are a model for the evolution of human peacemaking.

Scientists looking to measure the biodiversity of wild animals in a nature reserve are taking their lead from leeches.

Latest helium shortage is impacting scientific research, equipment, and progress of grad students.

Study illuminates connections to immune system.

‘In Search of Thoreau’s Flowers: An Exploration of Change and Loss’ exhibition marries art and science at Harvard Museum of Natural History.

Proficiency, place, emotion, or something else? These late-night conversations defy easy explanation.