Strong winds blow the snow down extremely fast from the atmosphere to the surface.
"It was one of the best moments of my scientific career."
A total solar eclipse is nigh, here's how to watch it without damaging your eyes.
The images will be captured by over 1,300 citizen scientists and enthusiast astronomers across the 'path of totality'.
Scientists created a computer simulation of the eclipse, providing a preview of what the event will look like.
Nanosatellite casing and battery packs created on 3D printer launched from International Space Station
Asteroid Florence spans 4.4km and will be visible with small telescopes from the ground.
The contest intends to inspire engineers and entrepreneurs to develop low-cost methods of space exploration.
'You guys have just won yourselves some fresh food', ESA astronaut Andreas Mogensen said from Houston.
Jellyfish galaxies are intriguing as they can shed light on galaxy evolution.
The under-construction spaceport will reduce Russia's dependency on Baikonur Cosmodrome in Kazakhstan.
The odds of a devastating collision are much lower than previously thought.
The stars orbiting the black hole behave as predicted by the general theory of relativity.
Russian astronauts Commander Fyodor Yurchikhin and Flight Engineer Sergey Ryazanskiy will perform the tasks.
SpaceX's Falcon 9 rocket will lift an unmanned Dragon spacecraft carrying more than 6,400 pounds of supplies.