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Using AI chatbots for “therapy” is dangerous, mental health experts say. Here’s why

Meltwater from a glacial lake outburst is flooding Juneau, Alaska. Such events are likely to happen more often as climate change destabilizes ice and glacial lakes fill with more meltwater

Ancient teeth found in Ethiopia belong to a never-before-seen species in the Australopithecus genus of human ancestors

Combining 25 years of space-based data with ocean sampling, scientists have uncovered a change in the microscopic organisms that underpin the Southern Ocean’s food chain and carbon storage.

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is similar in size to Earth, rocky, and resides in an area around its star where liquid water on its surface is theoretically possible. But according to a new study using data from the NASA/ESA/CSA James Webb Space Telescope, it does not have an Earth-like atmosphere.