Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

So, he decided to take matters into his hands and capture the galaxy at every pollution level in real-life. "I photographed ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Andromeda is the closest big galaxy to our own. It is far away, but it is slowly moving closer. One day, it will meet the ...

Commentary: Earth has been called the “Goldilocks planet" because it is positioned just the right distance for life to evolve ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...