Hubble delves into cosmic treasure trove

This image from the NASA/ESA Hubble Space Telescope captures the sparkling globular cluster NGC 6569 in the constellation Sagittarius. Hubble explored the heart of this cluster with both its Wide Field Camera 3 and Advanced ...

Astronomers discover dozens of new variable stars

Using the Nanshan One-meter Wide-field Telescope (NOWT), astronomers from China have observed the open cluster NGC 2355 and its surrounding field, searching for variable stars. They have detected 72 new variables in this ...

Black holes raze thousands of stars to fuel growth

In some of the most crowded parts of the universe, black holes may be tearing apart thousands of stars and using their remains to pack on weight. This discovery, made with NASA's Chandra X-ray Observatory, could help answer ...

A new spin on the blue stellar sequence

Some humans try to look younger than they really are—stars do, too. This is reported by an international team of astronomers in a paper just published in Nature Astronomy.

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