Space
The Ten-Second Window Onto a Black Hole's Birth
A supernova hides the core of a dying star for up to 100 days. A rare gamma-ray burst pierces the shell and shows the black hole forming in seconds.
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Articles
Space
Add One Hydrogen to Carbon Monoxide and It Becomes "Organic
Organic matter on Mars sounds like a life story. An astronomer explains why "organic" only means carbon, and why the split from "inorganic" is a historical leftover.
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Life & Evolution
Some Fungi Seem to Live on Radiation. Mars Could Use That
Fungi that grew in Chernobyl may feed on radiation. A mycologist explains why the same trait makes them a threat on a space station and an ally on Mars.
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