When we think of particles, we tend to think of them as real objects – tiny, point-like entities with definite properties such as position or speed. But particles are really just energetic spikes in ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Time feels like the most basic feature of reality.

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

A mind-bending new theory has reignited one of humanity's oldest questions: are we really in control of our own lives?

It feels so obvious that time moves forward that questioning it can seem almost pointless. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This ...