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One of the most powerful black holes in the observable universe has been revealed by NASA's Chandra X-Ray Observatory.
NASA's Chandra X-ray Observatory captures the first-ever X-ray of an exoplanet passing in front of its parent star in a system that is 63 light-years from Earth.
The Chandra X-ray Observatory delivers astrophysicists another breathtaking first by capturing a dwarf galaxy smashing into a large spiral one.
Astronomers at the Chandra X-ray Observatory explain why the black hole at the heart of the Milky Way galaxy doesn't consume everything in sight.
NASA's Chandra X-ray telescope has captured a picture of a distorted supernova remnant that may contain the most recently formed black hole in the Milky Way.
An Austrian auction house will soon take bids on a camera it claims is the only handheld to come home from an Apollo mission.
Astronomers use the Very Large Telescope to reveal a space drama involving two unique stars in the Ara constellation.
Using state-of-the-art mirrors and detectors on opposite ends of an extended 33-foot-long mast, a small X-ray telescope launched today will study black holes and the mechanics of supernova explosions.
NASA's Hubble telescope has taken its deepest ever picture of a cluster of galaxies, revealing some of the faintest and youngest galaxies ever detected.
After more than four centuries, latest data reveals that original supernova blast was more powerful than thought and took place farther away in space.