Pearl Young, the first woman to work in a technical role at NASA, overcame barriers and ‘raised hell’

Pearl Young, second from left, at the NACA’s Langley Memorial Aeronautical Laboratory in 1927. Credit NASA Langley Archives Thirteen years before any other woman joined the National Advisory Committee for Aeronautics – or the NACA, NASA’s predecessor – in a technical role, a young lab assistant named Pearl Young was making waves in the agency. Her legacy … Read more

Low-level clouds play surprise role in global warming

Fine particles from ship exhaust act as seeds for clouds, as shown in this satellite image. Tighter regulations on marine pollution means that there are fewer ship tracks to reflect sunlight back into space. This may be one reason that Earth is warming faster than models predicted — but not the only one, a new … Read more