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yellow hypergiant star HR5171

ESO’s Very Large Telescope spots largest yellow hypergiant star

four of the 15 mature galaxies, based on the infrared light of NASA’s Hubble Space Telescope

Galaxies in the early universe mature beyond their years

Cosmic Web

Astronomers find faint strings of galaxies inside empty space

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Introducing Cosmic Origins, our awesome digital product!

Easy-to-find objects in the 2014 spring sky

Chandra and XMM-Newton provide direct measurement of distant black hole’s spin

Paranal

Visit Chile's amazing observatories with Astronomy magazine!

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