Our galaxy is believed to be home to billions of free-floating planets with mysterious origins, unattached to...
Galaxy
NASA is trying to resuscitate its planet-hunting Kepler spacecraft, in a state of emergency nearly 75 million...
It sounds like a science fiction film — a galaxy far, far away is shredded apart gradually...
There seems to be a massive black hole lurking in the Milky Way. Using the Nobeyama 45-meter...