Hubble spies a stately spiral galaxy

The stately sweeping spiral arms of the spiral galaxy NGC 5495 are revealed by the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 in this image. NGC 5495, which lies around 300 million light-years from Earth in the ...

Astronomers find a sun-like star orbiting a nearby black hole

In 1916, Karl Schwarzchild theorized the existence of black holes as a resolution to Einstein's field equations for his theory of general relativity. By the mid-20th century, astronomers began detecting black holes for the ...

Hubble captures galaxy NGC 1961

The galaxy NGC 1961 unfurls its gorgeous spiral arms in this newly released image from NASA's Hubble Space Telescope. Glittering, blue regions of bright young stars dot the dusty spiral arms winding around the galaxy's glowing ...

X-shaped radio galaxies might form more simply than expected

When astronomers use radio telescopes to gaze into the night sky, they typically see elliptical-shaped galaxies, with twin jets blasting from either side of their central supermassive black hole. But every once in a while—less ...

Image: ESO telescope images a spectacular cosmic dance

ESO's Very Large Telescope (VLT) has imaged the result of a spectacular cosmic collision—the galaxy NGC 7727. This giant was born from the merger of two galaxies, an event that started around a billion years ago. At its ...

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