Testing and Training on the Boeing Starliner

NASA astronaut Mike Fincke works through a check list inside a mockup of Boeing's CST-100 Starliner during a simulation at NASA's Johnson Space Center on Aug. 21, 2019.

Learning to Track Water Using NASA Satellite Data

It's Back to School Week and NASA has activities to keep students motivated.

Clues for Mars in the Australian Outback

Scientists with NASA's Mars 2020 mission and the European-Russian ExoMars mission traveled to the Australian Outback to hone their research techniques.

Satellite Captures Four Tropical Cyclones from Space

On Sept. 4, 2019, a loose chain of tropical cyclones lined up across the Western Hemisphere.

An Infrared View of the M81 Galaxy

Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binoculars or a small telescope.

Jessica Meir Climbs Aboard a Soyuz Trainer

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 61 crewmember Jessica Meir of NASA climbs aboard a Soyuz trainer during final crew qualification exams on Aug. 30.

Hurricane Dorian Seen From Aboard the Space Station

NASA astronaut Christian Koch snapped this image of Hurricane Dorian as the International Space Station during a flyover on Monday, September 2, 2019.