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Sewage-contaminated water absorbs certain wavelengths of light, leaving a signature that can be detected by space-based instruments, a new study finds.
The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.
Adults who walked more than 100 minutes per day were less likely to have chronic low back pain than those who walked fewer than 78 minutes per day.
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AI models such as ChatGPT consume serious power. Experts break down where that energy goes, and what you can do to help.
The vanilla species grown for its flavoring is finicky. Genes from its wild relatives could help make it hardier — but not if those cousins go extinct.
For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.
Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.
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Celina Zhao is a Summer 2025 science writing intern at Science News. She holds bachelor’s and master’s degrees in science writing from MIT. Previously, she interned at Science and NOVA.
A key advisory group vows to base decisions on evidence, boost confidence in vaccines and protect health. Experts fear the opposite is happening.
This experimental paint reflects sunlight, emits heat and mimics sweating to cool buildings without air conditioning, even in the tropics.