20 years ago, the Hubble Space Telescope showed the world what has become one of the most famous images of our time -- here it is again, in glorious high-definition.
NASA's Spitzer Space Telescope, which views the cosmos in infrared light, has taken a fresh look at the beautiful Flame Nebula, revealing some fascinating features that would otherwise remain invisible.
The photos capture Mars passing below two objects known as the Lagoon and Trifid nebulas, both in the constellation Sagittarius.
Welcome to the Oyster Nebula, a lumpy cloud of plasma with a pulsating pearl in its core. Continue reading →
It's often said where there's smoke, there's fire -- but the only fire here is the reddish glow from vast clouds of ionized hydrogen, set alight by the powerful UV radiation pouring out of nearby hot young stars. Continue reading →
Astronomers have gotten an unprecedented look into two beautiful stellar nurseries, revealing a dramatic display of glowing gases and some of the most massive -- and violent -- stars in the Milky Way. Continue reading →
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
One of the most enduring mysteries behind the dynamics of supermassive black holes, and their impacts on galactic evolution, has been uncovered by an international team of astrophysicists. Continue reading →
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