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Strange mammal ancestor laid huge, leathery eggs — and it was key to surviving the world's worst mass extinctionUsing synchrotron X-ray CT scans of a fossilized, intact embryo, researchers found evidence that the plant-eating mammal Lystrosaurus laid eggs, which answers a key question about mammalian evolution.
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'I'm at a loss for words': Artemis II mission comes home to joy and cheers after historic 10-day missionNASA's 10-day moon mission has officially ended with a "bullseye landing"
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'Welcome home, Integrity': Artemis II crew return to Earth after 'bullseye landing' caps historic moon missionLive Blog The Artemis II crew have safely landed in the Pacific Ocean after a historic flight around the moon. Take a look back at our live blog's launch coverage from the hours and seconds until splashdown.
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'More questions than answers': Experts baffled by Alaskan mammal-eating orcas spotted near SeattleThree orcas from Alaska surfaced in the waters between Washington state and Canada in March, an area where they've never been documented.
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Keratin may act as a 'brake' for skin inflammation, pointing to potential treatmentsKeratin has been linked to skin diseases and inflammation in the past, but now, a new study may have uncovered one reason why.
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The Artemis II astronauts have just flown farther from Earth than any humans in historyArtemis II is now the farthest crewed mission from Earth in history. The occasion was marked by a number of poignant moments.
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Artemis II moon flyby begins: How to watch and what to knowThe Artemis II astronauts have reached the moon and will soon lose contact with NASA as they whip around the lunar far side. Here's how to follow along with their journey and everything you need to know about the "dark side" of the moon.
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'This generation's moment': How the Artemis missions will reframe humanity's relationship with the moonINTERVIEW Live Science spoke with Rebecca Boyle, author of "Our Moon" about how the moon has been viewed both culturally and scientifically through history.
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Octopus quiz: Are you a sucker for cephalopod science?This quiz tests what you know about octopus anatomy and behavior.
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'Trust us; you look amazing': Artemis II crewmembers share first message from spaceAs Artemis II begins humanity's first return to the moon in over 50 years, the four astronauts aboard the Orion spacecraft shared their first message from deep space.
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Artemis II officially leaves Earth's orbit on the way to the moonWith a successful translunar injection burn, NASA's Artemis II mission stopped circling Earth and began the first crewed journey toward the moon since the Apollo era.
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'We go for all of humanity': Artemis II rocket lifts off to the moon — look back at our live coverageLive Blog The Artemis II crew have left Earth and are bound for the moon. Take a look back at our live blog's launch coverage from the days, hours and seconds until takeoff.
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'80% chance of a go,' launch weather officer says at NASA's Artemis II prelaunch conferenceNASA said an X-class solar flare is not currently expected to affect the Artemis II mission, while weather on Earth looks favorable for a smooth launch.
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'It blew my mind': Long-lost ice-age ecosystem, including fossils of lion-size armadillo and giant ground sloth, discovered in Texas 'water cave'Two researchers snorkeling in a subterranean stream in Texas discovered fossils from the Late Pleistocene epoch, revealing new details about what lived in this ancient ecosystem.
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NASA's historic Artemis II mission gets green light for flight as countdown beginsNASA has given the 10-day Artemis II mission the green light after its flight readiness review, and the weather outlook remains favorable.
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Saturn's chaotic atmosphere revealed in most comprehensive view yet by James Webb and Hubble telescopesViewing Saturn in complementary wavelengths, the James Webb and Hubble space telescopes reveal more about what makes up the layers of ringed planet's atmosphere.
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Why does cannabis give people 'the munchies'?A researcher explains how your body processes the THC from cannabis, resulting in "the munchies."
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Mystery medical episode that left astronaut unable to speak shows one of NASA's biggest risks as moon missions ramp upVeteran astronaut Michael Fincke's sudden medical emergency aboard the ISS is a stark reminder that, as NASA pushes toward long-term lunar missions, astronaut health remains one of spaceflight's biggest unknowns.
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Astronauts may struggle to reproduce in outer space, study suggests — what does that mean for the future of space colonization?A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development — findings that have serious implications for the future of space colonization.
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Chinese lander reveals giant 'cavity' of radiation between Earth and the moon — and it could change how lunar exploration is doneA new study using data from China's Chang'e-4 moon lander found an area of reduced radiation from cosmic rays near the moon. The findings could be used to improve the safety of lunar explorations.
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Scientists are racing to save Australia's 'zombie tree' from a fast-spreading fungal diseaseA fast-spreading fungal disease has left the newly named Australian "zombie tree" unable to produce flowers, fruit or seeds, and scientists warn that 16 other species may be heading down the same path.
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An anomaly in Mars' mantle could trigger volcanoes to erupt — and may be causing the whole planet to spin fasterData from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be why Mars is spinning more quickly over time.
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A secret weapon to fight carbon emissions was just discovered: BeaversA new study in Switzerland finds that beaver-built wetlands can trap and store large amounts of carbon, offering a low-cost boost for restoration and climate resilience.
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Computing quiz: Can you match these 'ancient' devices to their pictures?Think you know your technology? Put your computing knowledge to the test by matching classic and modern devices to their images.
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