40 years after Challenger disaster, NASA faces safety fears on Artemis II
Many of the team behind NASA’s Artemis II mission were children 40 years ago, when the space shuttle Challenger disaster reshaped spaceflight
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Meghan Bartels
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As Measles Cases Surge, Scientists Explain Why Vaccination Is Critical
Measles is not a disease to take lightly—but it is also very preventable with vaccines
Heat Dome’s Extreme Heat and Humidity Triggers Alerts across Eastern U.S.
High humidity and low overnight temperatures will put tens of millions of people under heat alerts over the course of the coming week
The Latest on Bird Flu Research, Infected Cats, and More
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Space weather could threaten NASA’s Artemis II astronauts during their trip to the moon
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Atlantic Hurricane Lull Puzzles Scientists
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This Ancient Sea Cow Was Killed by a Croc and Eaten by a Shark
Scientists re-create the last moments of a manateelike animal that was eaten by both a crocodilian and a shark
Rubin Observatory has started paging astronomers 800,000 times a night
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