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 SpaceX capsule carrying four astronauts on the private Ax-4 mission hurtled through the Earth's atmosphere early Tuesday, paralleling the California coast with a splashdown in the Pacific Ocean off ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The first humans to orbit Earth from pole to pole are sharing some of the amazing views they're ...

Human spaceflight is on the cusp of an intriguing new dawn. For 25 years, astronauts have lived and worked onboard the International Space Station (ISS), starting with the arrival of its first ...

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, ...