Astronomers have uncovered definitive evidence that the Milky Way experienced a major collision and merger with a dwarf galaxy named LKH 11.8 billion years ago. The … Read more
Astronomers using archival data from the Hubble Space Telescope have discovered the first globular cluster stellar stream outside the Milky Way, located approximately 115 million light-years … Read more
In 1989, NASA’s Voyager 2 measured winds up to 2,100 km/h around Neptune’s Great Dark Spot, a storm the size of Earth. By 1994, Hubble found … Read more