Hidden Galaxy IC 342
Similar in size to large, bright spiral galaxies in our neighborhood, IC 342 is a mere 10 million […]
NASA
Elliptical M60, Spiral NGC 4647
Giant elliptical galaxy M60 and spiral galaxy NGC 4647 do look like an odd couple in this sharp […]
An Airglow Fan from Lake to Sky
Why would the sky look like a giant fan? Airglow. The featured intermittent green glow appeared to rise […]
A Candidate for the Biggest Boom Yet Seen
It is a candidate for the brightest and most powerful explosion ever seen — what is it? The […]
Where Your Elements Came From
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are […]
Star Cluster R136 Bursts Out
In the center of star-forming region 30 Doradus lies a huge cluster containing some of the largest, hottest, […]
Big Dipper, Deep Sky
The Big Dipper is an easy to recognize, well-known asterism in northern skies, though many see the Plough […]
International Space Station Transits Saturn
From low Earth orbit to the outer Solar System, this remarkable video frame composite follows the International Space […]
The View Toward M101
Sweeping through northern skies, Comet Catalina (C/2013 US10) made its closest approach on January 17, passing about 6 […]
Stars and Globules in the Running Chicken Nebula
The eggs from this gigantic chicken may form into stars. The featured emission nebula, shown in scientifically assigned […]