NASA names first woman to head human spaceflight

The NASA official who managed the inaugural private crewed flight into space last month has been promoted to become the first female head of human spaceflight, the agency said Friday, as it prepares to return people to the ...

Ammonium fertilized early life on Earth: study

A team of international scientists—including researchers at the University of St. Andrews, Syracuse University and Royal Holloway, University of London—have demonstrated a new source of food for early life on the planet.

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