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Paleontology

520-million-year-old animal fossils might not be animals after all

Newly described fossils of Protomelission gatehousei suggest that the species, once thought to be the oldest example of bryozoans, is actually a type of colony-forming algae.

Climate

How wildfires deplete the Earth’s ozone layer

Scientists detail the chain of chemical reactions that occur when wildfire smoke enters the stratosphere.

Astronomy

Newborn stars sculpt their galaxies in new James Webb telescope images

Dark voids riddle the galaxies’ faces, highlighting previously invisible details about how new stars alter their locales.

Physics

Is this the superconductor of scientists’ dreams? A new claim faces scrutiny

It’s big, if true: transmitting electricity with no resistance at room temperature and moderate pressure.