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A female humpback whale may have spent days with her stillborn calf. This rare sighting may suggest that baleen whales experience grief.

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Scientists graded every river and stream in the contiguous United States, flagging specific repairs each one needs to support aquatic life.

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Scientists testing potential treatments for sleep apnea made an unexpected discovery. How quickly people react may depend on whether they’re breathing in or out.

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month features galaxies in incredible detail that have been warped and multiplied like they’ve stepped into a house of mirrors.

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The SpaceX Crew Dragon Freedom spacecraft is seen as it lands with NASA astronauts Jessica Meir and Jack Hathaway, ESA (European Space Agency) astronaut Sophie Adenot, and Roscosmos cosmonaut Andrey Fedyaev aboard in the Pacific Ocean off the coast of Los Angeles, Calif., Thursday, Oct. 8, 2026.

Season 2 follows people losing their ability to speak — and the AI and brain implants helping them find their voices again.

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Avian flu, overfishing, and a super El Niño have decimated Peru’s largest colony of Humboldt penguins. Scientists are holding out hope that their numbers will bounce back.

A visualization of a dark Moon eclipsing the Sun is marked with handwritten notes in this April 6, 2026, screenshot from an Artemis II crew member's tablet.

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Genetic testing of two tiny tiger cats from Bolivia revealed a new species, adding a new branch to the feline family tree.

This artist’s concept depicts a possible explanation for the unusual chemical abundances NASA’s Hubble Space Telescope detected in the HS 0209+0832 system: a second-generation planet orbiting the white dwarf star.

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NASA astronaut and mission specialist of the agency's Artemis II mission, Christina Koch, led the fans in singing the Eagles Fight Song from the field at an NFL game between the Philadelphia Eagles and the Los Angeles Rams at Lincoln Financial Field on Sunday, Oct. 4, 2026, in Philadelphia.

The steps were poorly preserved, but still hint at an ambling pace of 1.6 meters per second, roughly equivalent to a quick walking speed for a human.

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The newest “Dragon Hatchling” AI model is testing whether skipping words in intermediate reasoning could cut computational cost.

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Incendiamoeba cascadensis can replicate at 145° F, breaking the heat tolerance record for eukaryotes, a domain of life that includes plants and animals.

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An engineering model of NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) descent probe passed a key test that ran from Aug. 28 to Sept. 10, showing it can survive the extreme temperatures of Venus.

The joy that author Alexis Nikole Nelson injects into this cookbook makes foraging approachable.

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A SpaceX Falcon 9 rocket carrying the company's Dragon spacecraft is launched on NASA’s SpaceX Crew-13 mission to the International Space Station with NASA astronauts Jessica Watkins and Luke Delaney, CSA (Canadian Space Agency) astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov aboard, Thursday, Oct. 1, 2026, from Cape Canaveral Space Force Station in Florida.

A thickening cortex, as shown in MRIs, preceded amyloid-beta accumulation, a known hallmark of Alzheimer’s disease, by up to seven years.

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This long-duration image shows star trails above Earth and the blue lights of fishing boats and the yellow lights of Indonesian cities stretching below the International Space Station as it orbited 258 miles above the Banda Sea.

For 27 years, the Southwest has been gripped by a historic drought. Scientists think it might be here to stay.

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New research suggests that Paleodictyon — honeycomb-shaped formations perhaps sketched by da Vinci — are not made by soft-bodied creatures.

Ahead of launch of NASA’s SpaceX Crew-13 mission, a SpaceX Falcon 9 rocket, with the Dragon spacecraft atop, is vertical at the launch pad of Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida on Sunday, Sept. 27, 2026.

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