Earth will be hosting a "mini-moon" starting this weekend. Also sometimes called a "second moon," the small asteroid will rotate Earth for several months. The existence of the asteroid, formally named ...

What if Earth has more than one moon? Scientists now believe our planet may be secretly hosting at least six "mini-moons" at any given time — tiny asteroids or moon fragments temporarily trapped by ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...