Astronomers have made a landmark discovery of a free-floating, Earth-mass planet drifting alone through the Milky Way, using gravitational microlensing. This provides the first direct evidence for such solitary worlds. Read more about this cosmic wanderer
Chinese-led team discovers a free-floating planet using microlensing. The Saturn-sized world offers clues to planetary formation and galactic wanderers. Explore the cosmic mystery!
Astronomers confirm a rare 'free-floating' planet, the size of Saturn, drifting alone 9,950 light-years away. This discovery, using gravitational microlensing, hints at billions more such starless worlds in our galaxy.