Earth, second moon
Technically a “temporarily captured object,” 2024 PT5 is a near-Earth asteroid and Earth’s newest mini-moon. This 11-meter ...
It is widely believed that the moon formed during a collision between Earth and a small planet known as Theia.
Asteroids are ripe for mining. Some contain gold or platinum. Others could help make rocket fuel. When they're mini-moons, ...
This week see many special celestial sights, from a bright comet and a solar eclipse to a bright Venus and the possibility of ...
Rather than forming from an ancient collision between Earth and another planet, the moon may have been snatched from another ...