Studies on the black hole delivery system using NASA's Chandra X-ray and Hubble Space Telescope

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," that may be acting as a black hole "delivery system." Credit: NASA/CXC/A. H ...

Research finds that bottled water has more contamination than tap water

Ohio State University conducted the first study to compare bottled and tap water using technology sensitive enough to spot ...