Layered Rocks near Mount Sharp on Mars
What caused these Martian rocks to be layered? The leading hypothesis is an ancient Martian lake that kept […]
Astronomy
Carina Nebula Dust Pillar
This cosmic pillar of gas and dust is nearly two light-years wide. The structure lies within one of […]
Jupiter Triple-Moon Conjunction
Our solar system’s ruling giant planet Jupiter and 3 of its 4 large Galilean moons are captured in […]
M104: The Sombrero Galaxy
The striking spiral galaxy M104 is famous for its nearly edge-on profile featuring a broad ring of obscuring […]
Stars, Sprites, Clouds, Auroras
What are those red streaks in the sky? While photographing unexpected auroras over a distant thunderstorm, something extraordinary […]
Jets from Comet Churyumov Gerasimenko
Where do comet tails come from? Although it is common knowledge that comet tails and comas originate from […]
Titan Seas Reflect Sunlight
Why would the surface of Titan light up with a blinding flash? The reason: a sunglint from liquid […]
NGC 4676: When Mice Collide
These two mighty galaxies are pulling each other apart. Known as the “Mice” because they have such long […]
Yellow Balls in W33
Infrared wavelengths of 3.6, 8.0, and 24.0 microns observed by the Spitzer Space Telescope are mapped into visible […]
A Night at Poker Flat
Four NASA suborbital sounding rockets leapt into the night on January 26, from the University of Alaska’s Poker […]