Skywatching Tips from NASA
What's Up: May 2023
Venus reaches peak elevation, Jupiter briefly disappears for some, and what's unique about Southern Hemisphere skies.
Watch Now ›
Webb Space Telescope
The Uranian System
A new view features six of Uranus' 27 known moons (most of which are too small and faint to be seen in this short exposure).
Read More ›
Meet Dana
Dana Bolles manages the day-to-day operations of the science.nasa.gov website.
Read More ›
One Giant Leap
Who Walked on the Moon?
In all, 24 American astronauts have traveled from Earth to the Moon. Four more will go in 2024.
Read More ›Featured
The Crater Farm
"I remember looking at that picture and thinking that there is something weird going on here and that it has important implications for the whole history of the planet, its climate, its atmosphere, its geology." - David Grinspoon, scientist
Moon Phase and Libration: 2023
All Year
2023
The 2023 phase and libration of the Moon at hourly intervals.
4:55 Video