What is the temperature in space? It's a far more complicated question than it seems. Because space is considered a vacuum, which means it's empty, it has no temperature. But the objects traveling ...

Most of today’s leading theoretical physicists have a shared perspective about what the next revolution in physics will look like. They think reconciling Albert Einstein’s general theory of relativity ...

If anyone knows how challenging spaceflight can be, not only for the body, but for the mind, it's former U.S. astronaut Scott Kelly. It's been almost three years since he landed in Kazakhstan after ...

University of Saskatchewan provides funding as a founding partner of The Conversation CA. University of Saskatchewan provides funding as a member of The Conversation CA-FR. Few ideas in modern science ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

Daryl Janzen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...