‘Apollo: Missions to the Moon’ documentary includes unheard audio

The 50th anniversary of the Apollo 11 Moon landing is coming up, and the National Geographic channel is determined to mark the occasion in style. It's premiering its Apollo: Missions to the Moon documentary in July, and this isn't just a rehas...

How Harvard’s human computers helped invent modern astronomy

The Harvard College Observatory (now the Center for Astrophysics) in Cambridge, Massachusetts has long been a bastion of astronomical research, its history stretching back to the center's founding in 1839. But for the first forty years of its existen...