
The Earth’s horizon is pictured above Argentina near South America’s southern-most tip.

Expedition 64 Flight Engineer Shannon Walker collects leaf samples from plants growing inside the European Columbus laboratory.

Expedition 64 Flight Engineer Michael Hopkins collects leaf samples from plants growing inside the European Columbus laboratory.

NASA astronauts Shannon Walker and Michael Hopkins collect leaf samples from plants growing inside the European Columbus laboratory.

NASA astronauts (from left) Shannon Walker and Kate Rubins collect leaf samples from plants growing inside the European Columbus laboratory.

This week in 1971, Apollo 14 Launched from NASA’s Kennedy Space Center carrying astronauts Alan Shepard, Edgar Mitchell, and Stuart…

The waning gibbous moon is pictured the day after its full Moon phase as the International Space Station orbited 264…

The waning gibbous moon above China is pictured the day after its full Moon phase.

The SpaceX Crew Dragon spacecraft, with its nose cone open, is pictured docked to the Harmony module.