Theorists of consciousness generally focus on sensation – what it's like to, say, experience the color red. Yet what we call the stream of consciousness offers a much richer and more complex blend of ...

Physicist Paul Davies looks back at the past century of quantum mechanics—the most disruptive theory in the history of modern science.

Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.

Tech experts admit the scope of AI is still unknown because its believability and capabilities are ever-changing. Here's what ...

This recording was made using enhanced software. But in science, that’s only the starting point. Before you believe the next health headline, watch the video above. Download the SAN app today to stay ...

Hidden in the rolling hills of North Georgia lies a bargain hunter’s paradise where Andrew Jackson on a $20 bill transforms ...

The resulting outcome is that you have A.I. systems that have learned what it means to solve a problem that takes quite a ...