The first measurement of radiation at Mars' surface has implications for a human mission to the Red Planet, as well as for where Mars' missions might find traces of Martian life – if it was ever there.
The 2011 earthquake that devastated northern Japan slid along a thick layer of nearly frictionless clay called 'smectite', say scientists who made the first-ever friction measurements of an earthquake.
The huge orbit of a Jupiter-like gas giant has researchers scratching their heads over how the thing could ever form so far from the nearest star and the star's accompanying debris disk. But they've got some intriguing theories.
Clay greased the plate boundary fault which suddenly slipped 165 feet. Three papers published in the journal Science explain why an earthquake-generating fault behaved so peculiarly in 2011, sending a deadly tsunami over Japan.
WWII submarine built by Japan to transport bomb-carrying planes to within striking distance of New York was captured by the US. The WWII submarine was studied and scuttled before the Soviets could get a good look.