About 96% of the universe is made up of dark matter and dark energy, which are undetectable to humans. Scientists believe ...

Thinking at cosmic and subatomic scales requires plenty of math—or some visual metaphors.

Science is amazing, fascinating, and, if we’re being honest, sometimes absolutely terrifying. While we usually hear about cool breakthroughs and feel-good discoveries, there’s a darker side of science ...

After years of getting your emails and phone calls, we know that SciFri listeners are in the 99th percentile when it comes to nerdy knowledge. We’re putting your fact retention skills to the test with ...

The natural world rarely behaves the way we expect. Physics bends intuition. Biology ignores neat categories. Space refuses to be reasonable. Some facts sound like they were invented for a science ...