Feedback is intrigued (and terrified) by a new paper that suggests you could set off a ridiculously gigantic nuclear bomb deep under the seabed to mop up carbon dioxide ...
NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away. The black hole is at the center of the Perseus cluster of galaxies, ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...