Earth's cosmic neighbourhood is more dynamic than imagined, hosting temporary 'mini-moons' captured by gravity and 'quasi-moons' in resonant orbits. These transient visitors, unlike our permanent Moon,

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level. Some of these exoplanets might look breathtaking in our sky,

As of late 2025, NASA had confirmed the existence of a temporary second moon that would remain in orbit next to Earth until 2083. Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...