Before electricity, water fountains worked by relying on gravity to channel water from a higher elevation to a lower one. In space, awesome gaseous fountains have been discovered in the centers of galaxy clusters. via NASA https://ift.tt/2EjJGWF

Less than three months into its mission, NASA’s Ice, Cloud and land Elevation Satellite-2, or ICESat-2, is already exceeding scientists’ expectations. via NASA https://ift.tt/2QrCRJM

International Space Station Commander Alexander Gerst viewed SpaceX’s Dragon cargo craft chasing the orbital laboratory on Dec. 8, 2018 and took a series of photos. via NASA https://ift.tt/2Qpx8nM

“Putting this journey into words will not be easy, but I will try. I am finally where I was born to be,” said astronaut Anne McClain of her first voyage to space. via NASA https://ift.tt/2Qi3MaR

Experiments in forest observation, protein crystal growth and in-space fuel transfer demonstration are heading to the International Space Station following the launch Wednesday of SpaceX’s 16th mission. via NASA https://ift.tt/2zN8inF

This image of the horizon is as it was seen from the cockpit of NASA Armstrong Flight Research Center’s F/A-18 research aircraft. via NASA https://ift.tt/2Rzi17V

Soyuz MS-11 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan to bring a new crew to begin their six and a half month mission on the International Space Station. via NASA https://ift.tt/2BMOaDo

A Nova Labs Robotics “BrainStorm Troopers” team member from Reston, Virginia, asks a question during an Commercial Lunar Payload Services (CLPS) announcement. via NASA https://ift.tt/2DRLJ44

This Hubble Space Telescope mosaic is of a portion of the immense Coma cluster of over 1,000 galaxies, located 300 million light-years from Earth. via NASA https://ift.tt/2FPwtHp

In Mars’ Wirtz Crater, these dunes are likely active. via NASA https://ift.tt/2TXbOED