Here's how they do it.

Mice created using genetic material from two sperm cells have gone on to have offspring off their own, but the

Cancer cells can acquire energy-generating structures called mitochondria from nearby nerve cells, which seems to aid their spread, a discovery

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The four astronauts of the private Ax-4 mission to the ISS represent four different countries, so the food they're carrying

NASA/Bob Hines NASA astronaut Bob Hines took this picture of the waning crescent moon on May 8, 2022, as the International

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Editor’s note: This interview was conducted in October 2023.  As the International Space Station approaches 25 years of continuous human presence