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 ...

Lower gravity. Higher radiation. No ER access. These are just a few of the challenges that humans face in outer space. Emily and Regina talk to a NASA astronaut (and astronaut scientist) about the ...

Our universe is filled with floating nebulae, spinning planets and black holes. But if we closed our eyes and listened, what would these celestial objects sound like? Would we hear a faint whoosh? Or ...

Filmmaker Ido Mizrahy was fascinated by space travel isolation from a young age, inspired and awed by science fiction films like 2001: A Space Odyssey, Alien, and the original Solaris. And he ...

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 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Wayne N White Jr consults with One Space Technologies ...