News
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PaleontologyHumans, not climate change, may have wiped out Australia’s giant kangaroos
About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.
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Particle PhysicsCosmic rays could help reveal how tornadoes form
Subatomic particles called muons could measure pressure changes in supercell thunderstorms and the twisters they kick up.
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AnimalsMore new geckos have been found hiding in Southeast Asia’s limestone towers
Nearly 200 new gecko species found in living in karst landscapes reveal the rugged regions as dynamic areas of speciation.
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AnimalsPoop is on the menu for a surprising number of animals
A new tally finds dozens of species giving food a second go-round, from babies boosting their microbiomes to adults seeking easier-to-access nutrition.