All Stories
- Humans
Pieces of Homo naledi story continue to puzzle
Researchers defend Homo naledi as a new hominid species and debate how it reached an underground cave.
- Cosmology
New sky map charts previously unknown gamma-ray sources
A new map of the sky from the High-Altitude Water Cherenkov Observatory charts the cosmic origins of high-energy photons.
- Planetary Science
How alien can a planet be and still support life?
Geoscientists imagine the unearthly mechanisms that could keep alien planets habitable.
- Astronomy
New telescopes will search for signs of life on distant planets
Researchers are coming up with creative ways to pick up biosignatures in far-away planetary atmospheres.
- Quantum Physics
Information is physical, even in quantum systems, study suggests
A thermodynamic principle says that deleting information generates heat, and now, scientists say that goes for quantum systems, too.
- Health & Medicine
Clusters of cancer cells get around by moving single file
Clusters of cancer cells squeeze through thin blood vessels by aligning single file.
- Space
Will we know extraterrestrial life when we see it?
Desert varnish and certain minerals hint that life — here and elsewhere — may defy current criteria.
- Animals
Scientists find a crab party deep in the ocean
A trip to check out the biodiversity off the coast of Panama revealed thousands of crabs swarming on the seafloor.
- Climate
Wildfire shifts could dump more ice-melting soot in Arctic
Wildfires will emit more soot into the air in many regions by the end of the century, new simulations show.
- Science & Society
‘House of Lost Worlds’ opens vaults of renowned natural history museum
'House of Lost Worlds' pays homage to Yale’s Peabody Museum of Natural History and to the colorful scientists who made the museum great.
- Environment
EPA boosts estimate of U.S. methane emissions
A new report by the U.S. Environmental Protection Agency revises the agency’s methane emission estimates upward by 3.4 million metric tons.
- Health & Medicine
This week in Zika: Assessing risk, mosquito range, a transmission first and more
Several new reports document Zika infection in U.S. pregnant women, a case of male sexual transmission, the range of Zika-carrying mosquitoes and more.
