Search
Science & Tech
Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.
When you don't have enough clues to bring your detective story to a close, you should expect that your educated guesses will all be wrong.
10 years ago, LIGO saw its first gravitational wave. After 218 detections, our view of black holes has changed forever. Can this era endure?
In this excerpt from "Tales of Militant Chemistry," Alice Lovejoy exposes how the need for uranium during WWII led the Allied governments to turn a blind eye to colonial exploitation.
The latest "Superman" film sets Metropolis in the First State.
Designed to map galaxies, the SPHEREx mission's first science result is instead about interstellar interloper 3I/ATLAS. No, it's not aliens.
In our own Milky Way, a recently deceased star creates a ghostly, hand-like shape in X-rays some 150 light-years wide. Here's how it's made.
1hr 26mins
“I like to say that physics is hard because physics is easy, by which I mean we actually think about physics as students.”
Throughout history, "free energy" has been a scammer's game, such as perpetual motion. But with zero-point energy, is it actually possible?
In “The Secret History of Denisovans,” Silvana Condemi and François Savatier trace the story of our mysterious hominin ancestor.
There could be variables beyond the ones we've identified and know how to measure. But they can't get rid of quantum weirdness.
A conversation with neuroscientist Erik Hoel about the future of consciousness research.
A conversation with Annaka Harris on shared perception, experimental science, and why our intuition about consciousness is wrong.
5-MeO-DMT may offer a practical way to access and study consciousness in its most basic form.
A conversation about intelligence and consciousness with philosopher Peter Godfrey-Smith.
NASA's 1958 charter's top priority was, "the expansion of human knowledge of phenomena in the atmosphere and space." Is this how it ends?
For many of us, our imperfect vision compels us to wear corrective lenses to see properly. Here's what everyone should know about LASIK.
Across planet Earth, dark and pristine night skies are an increasingly rare resource. These photos showcase the best of what we still have.
Nuclear chemist Tim Gregory joins Big Think to make the case that nuclear energy can still transform the world for the better.
Just 13.8 billion years after the hot Big Bang, we can see 46.1 billion light-years away in all directions. Doesn't that violate…something?