Studies suggest that mammals' external ears carry unexpected type of cartilage and rely on the same genetic instructions as gills

Measuring levels of thousands of proteins in the blood of half a million people could suggest treatments and diagnostic tools, researchers say

Exodus from the Journal of Human Evolution leaves a flagship journal in crisis

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The Bird's Foot, critical for shipping and wildlife, is “one of the most threatened places in America”

Pulsating blood vessels push fluid into and out of the brains of slumbering mice

Their keen noses are helping researchers document the diversity of fungi living underneath Pacific Northwest forests

Two options both promise to trim billions from mission’s cost

Platform fosters collegial interactions among scientists, but potentially limits interactions beyond the academic community

Biologists Olesia Sokur and Ihor Zyma died in their Kyiv apartment

Ice cores show ancient silver production produced lead levels high enough to lower some people’s IQ

The public needs context about unreviewed manuscripts, survey suggests

Longtime MIT professor served as the first director of research in the Department of Energy

The first clinical trial of zebrafish embryos acting as cancer “avatars” will start soon

New recommendations stress tracing and respecting links between communities and animal bones, pelts, and other remains

Tiny transmitters reveal at least one bat species is surprisingly flexible in its migration timing and pathfinding

Five years after SARS-CoV-2 surfaced, scientists reflect and look ahead to the next threat

Ecologists differ on whether to steer recovery or let nature take its course

Trump’s shakeups, risks from avian flu, and peak carbon emissions could produce big stories

Team members describe what went into making and publishing 2024’s most engaging images and multimedia

The 1831 eruption of Zavaritskii volcano in the Kuril Islands sparked cropped failures and famines

Insects put their minds together in ways that sometimes eludes people

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But so far, few investigators seem interested in having a contract lab repeat their experiments

Our Working Life essays highlight the people behind the research and lessons learned as they overcome personal and professional challenges

Syrian researchers around the world begin to plan for the nation’s future

Michael Kratsios and Lynne Parker would reprise their roles in first Trump administration and work with AI czar

NIH and DOE are first to act, with implementation by all set to begin by end of 2025

Study extends lifespan estimate for one whale species and suggests researchers have been underestimating others as well

Storms may be confounding measurements at high-altitude observatories of the universe’s highest energy light

The latest in science and policy

House Republicans walk away from spending deal after Trump objects to its scope

Computer program finds that ChatGPT and its ilk remix words well, yet their output remains derivative

Narrowing storm bands may be a surprising and dangerous new feedback of climate change

Journalists identify papers that could violate U.N. ban on scientific ties with North Korea

Scientists protest new “challenge-led” grants replacing funding that supported long-term basic research

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Revelation is blow to hopes for habitability and future space missions

Lithocholic acid replicates antiaging effects of food restriction in mice, other animals

But ancient DNA from bony lesions suggests original bacterial strains may not have spread sexually