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 ...

Alice Gorman is a Fellow of the Outer Space Institute. The mysterious object was on fire and lying in the middle of a remote dirt road in Western Australia’s Pilbara region when mine workers stumbled ...

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, ...