Exploring the Antennae
Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. The stars in […]
NASA
M100: A Grand Design Spiral Galaxy
Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy. It is […]
An Extremely Long Filament on the Sun
Yesterday, the Sun exhibited one of the longest filaments ever recorded. It may still be there today. Visible […]
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 […]
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 […]