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Science

Drawing a line in the mud: Scientists debate when 'age of humans' began

Drawing a line in the mud: Scientists debate when 'age of humans' began

Scientists on five continents are hunting for geological evidence to pinpoint exactly when humans became a major force shaping life on Earth. But settling on the date could unleash a larger debate.
by Rebecca Hersher

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How a building block of life got created in a flash

How a building block of life got created in a flash

Lightning strikes may have supplied a key ingredient that allowed life to emerge on the early Earth, according to a new study of "fossilized" lightning.
by Nell Greenfieldboyce

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Mapping Máaz: NASA uses Navajo language to name features on Mars

Mapping Máaz: NASA uses Navajo language to name features on Mars

Members of NASA's Perseverance rover team, in collaboration with the Navajo Nation, have been naming features of scientific interest with words in the Navajo language.
by Catherine Whelan

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China, Russia announce plan to build moon research station

China, Russia announce plan to build moon research station

The two countries' space agencies say the proposal, which sets no time frame, could include an orbiting station, a base on the surface, or both.
by Scott Neuman

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CRISPR scientist's biography explores ethics of rewriting the code of life

CRISPR scientist's biography explores ethics of rewriting the code of life

“The Code Breaker” profiles Jennifer Doudna, a Nobel Prize-winning biochemist key to the development of CRISPR, and examines the technology's exciting possibilities and need for oversight.
by Terry Gross

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Why cuttlefish are smarter than we thought

Why cuttlefish are smarter than we thought

By being able to wait for better food during an experiment, cuttlefish — the squishy sea creatures similar to octopuses and squids — showed self-control that's linked to the higher intelligence of primates.
by James Doubek

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