For the first time, scientists have observed ripples in the fabric of spacetime called gravitational waves, arriving at Earth from a cataclysmic event in the distant universe.
"A valley in Africa. Magnificent. The #StoryOfWater." - Kjell Lindgren
The Expedition 46 crew continued studying how living off the Earth affects exercise, the biological clock and fire today. The orbiting space residents also worked on a spacesuit and other lab maintenance tasks.
This is the micro-lander that ESA's proposed Asteroid Impact Mission would put down on its target asteroid.
The glowing region in this new image from the MPG/ESO 2.2-metre telescope is a reflection nebula known as IC 2631.