Sixty years after Luna 9 touched down on the Moon, the first humanmade object to soft-land there is still missing in plain sight. Soviet reports, including coordinates printed in Pravda, fixed the ...

If you've ever watched a glass blower at work, you've seen a material behaving in a very special way. As it cools, the viscosity of molten glass increases steadily but gradually, allowing it to be ...

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid hormones in the retina, Johns Hopkins University scientists have found. The ...