The Curiosity Mars Rover took this image with its Mast Camera (Mastcam) on Feb. 10, 2019 (Sol 2316). via NASA https://ift.tt/2UbtUCc

Earnest C. Smith in the Astrionics Laboratory in 1964. via NASA https://ift.tt/2Vn5lT7

NASA astronaut Alvin Drew participated in the STS-133 mission’s first spacewalk. via NASA https://ift.tt/2C2yNqv

This picture showcases a gravitational lensing system called SDSS J0928+2031. via NASA https://ift.tt/2NlQrd7

Good morning to our beautiful world, said astronaut Anne McClain from aboard the Space Station on Feb. 21, 2019. via NASA https://ift.tt/2GDlUXK

Cracks growing across Antarctica’s Brunt Ice Shelf are poised to release an iceberg with an area about twice size of New York City. It is not yet clear how the remaining ice shelf will respond following the break, posing an uncertain future for scientific infrastructure and a human presence on the shelf that was first established in 1955. via NASA https://ift.tt/2SPiuHC

Eat. Breathe. Do ccience. Sleep later. That’s the motto of Derrick Pitts, NASA Solar System Ambassador. via NASA https://go.nasa.gov/2TXRuCi

NASA is preparing to explore electric-powered flight with the X-57 Maxwell, a unique all-electric aircraft which features 14 propellers along its wing. via NASA https://go.nasa.gov/2tj2Cy0

This preflight image from Feb. 6, 2019, shows NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson during spacewalk preparations and training inside the Space Station Airlock Mockup at NASA’s Johnson Space Center in Houston. via NASA https://go.nasa.gov/2IlJIRI

NASA’s record-setting Opportunity rover mission on Mars comes to end. via NASA https://go.nasa.gov/2SPsznl