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Black Holes May Have Been Common in Early Universe
These pioneers may have served as seeds for the supermassive black holes at the hearts of galaxies today.
NASA to Unveil Black Hole Discovery Wednesday
The findings are based on observations made by the NuSTAR and XMM-Newton space telescopes.
The Mystery of the Money Tree Revealed
Scientists use chemistry to learn about an ancient bronze “money tree.”
NASA X-Ray Mirror Idea Inspired by Scotch Tape (No, Really!)
Tightly rolled reflective tape could create big — and relatively inexpensive — telescope mirrors.
Dental X-Rays Linked to Increased Brain Tumor Risk
Could frequent dental X-rays lead to brain tumors?
Supernova Explosion Ripped Star's Guts Inside Out
The huge supernova explosion that killed Cassiopeia A apparently turned it inside out, too.
NASA Black Hole Probe to Hunt Galactic Hearts of Darkness
NASA's NuSTAR mission will peer through the dust and gas to see what what lies in the centers of other galaxies.
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