January 8, 2026 • NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday and is taking the rare step of ending the Crew-11 mission ...

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Materials science is an interdisciplinary field concerned with the understanding and application of the properties of matter. Materials scientists study the connections between the underlying ...

She’s the head of NASA’s Psyche mission and director of UC Berkeley’s Space Sciences Laboratory. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this ...