Astronomers are gearing up to study an asteroid that will revisit Earth in 2025. It is about 33 feet wide and will come quite ...

Earth has a temporary, tiny companion. While not quite a "mini moon," since it will never be captured by Earth's gravity, ...

For just a few months, Earth hosted a "second moon," much smaller than our faithful historical companion. This fleeting ...

Schmidt explained that these AI companions are designed to be "perfect," which makes them highly appealing but potentially ...

Currently, more than 2 million miles away, the object is too small and faint to see without a powerful telescope.

Astronomers have taken a farewell photo of the asteroid 2024 PT5, which has been hovering in the outskirts of our orbit for ...

The idea that Earth has only one moon is considered to be true, but that isn't always the case. In fact, sometimes, it's had ...