Okay, it's really just an eclipse.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
What the heck is a Space Force? We finally (sort of) know.
Can gardens help astronauts go farther?
Museums are looking to the past for inspiration.
Notes from a field trip to New Mexico's commercial spaceport
3D printing our way to the year 2050
Plus, 9 simple ways to move in zero gravity
Science takes off.
The next one isn't until 2033, so enjoy the pictures now
We are very very small
In 1962, Korabl-Sputnik 1 landed smack in the middle of a main street in Wisconsin
A new book showcases images from the forgotten Gemini mission, which taught NASA how to live and work in space
The story of heroic fasteners that will get us to the moon and back.
What we learned at a space conference that puts inclusivity first
Reflections from a prodigious force in space exploration.