Curiosity Rover Finds a Clay Cache on Mars
Why is there clay on Mars? On Earth, clay can form at the bottom of a peaceful lake […]
Astronomy
The Space Station Crosses a Spotless Sun
Typically, the International Space Station is visible only at night. Slowly drifting across the night sky as it […]
Ghost Aurora over Canada
What does this aurora look like to you? While braving the cold to watch the skies above northern […]
Gravity s Grin
Albert Einstein’s general theory of relativity, published over 100 years ago, predicted the phenomenon of gravitational lensing. And […]
The Ghosts of Cassiopeia
These bright rims and flowing shapes look ghostly on a cosmic scale. A telescopic view toward the constellation […]
Starry Night by Vincent van Gogh
The painting Starry Night is one of the most famous icons of the night sky ever created. The […]
Night Sky Reflections from the Worlds Largest Mirror
What’s being reflected in the world’s largest mirror? Stars, galaxies, and a planet. Many of these stars are […]
A Mercury Transit Music Video from SDO
What’s that small black dot moving across the Sun? Mercury. Possibly the clearest view of Mercury crossing in […]
Pluto at Night
The night side of Pluto spans this shadowy scene, a stunning spacebased view with the Sun 4.9 billion […]
All Female Spacewalk Repairs Space Station
The failed unit was beyond the reach of the robotic Canadarm2. Therefore, this repair of the International Space […]