News
Meet Earth’s new mini-moon
Earth is getting a tiny new mini-moon for a few weeks. It won’t be the first – or the last.
Tag: moons
Science & Environment
What is an ‘ocean world’?
One of the big surprises that’s come in recent years from our exploration of the solar system is the existence of icy ocean worlds in its outer reaches. Most are moons of the giant planets, although some dwarf planets such as Pluto may also have a similar structure.