The internet erupted in controversy over Felisa Wolfe-Simon and colleagues’ claim of a microbe thriving on arsenic. Nearly 15 years later, she’s pursuing new research on the boundaries of life.

International Space Station (ISS): "Hello, Houston, Starliner crew Butch Wilmore and Sunita Williams here. Any word on when we can return home?" Houston: "Hey, guys. We know you set out on an ...

The tech billionaires could collaborate on a "humanity-saving" moon base in case an asteroid hits Earth, Douglas MacKinnon ...

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