Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...

A Charleston astronomy professor answers astronomy students' questions about worm holes, black holes, colonizing Mars, outer space's many strange odors and more, ...

Rushing through the dense bustle of central London on your way to dinner or a show, you’d be forgiven for not finding time to contemplate the marvels of outer space. Understanding how divorced urban ...

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 [email protected]. What is beyond outer space? – Siah, age 11, ...