Elusive oxygen molecules discovered in space

NASA scientists have for the first time discovered significant evidence of molecular oxygen in space, ending a nearly 230-year search for the elusive molecules.

Earth`s lakes are warming, says NASA study

Earth`s largest lakes have warmed during the past 25 years in response to climate change.

Space station astronauts tackle urgent repair job

Two astronauts spacewalked to restore a crucial cooling system at the orbit lab.

Chile Quake shifted Earth`s Axis

The Chile earthquake may have shifted the Earth`s axis and created shorter days, scientists at NASA say.