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Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.

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An Ishihara color blindness test with colored dots, showing letters “u” and “d” in black, and a magnified section highlighting the dot pattern—inviting viewers to observe proton decay through subtle visual cues.
Starts With A Bang
Ask Ethan: Can we ever observe a proton decaying?
As the lightest baryon in the Universe, the proton is thought by many to be eternally stable. But if it isn't, can we observe it decaying?
Ethan Siegel
Two space telescopes with solar panel arrays are shown against a plain, dark background. NASA's Habitable Worlds Observatory is represented by one with a hexagonal mirror, highlighting its role in advancing space science.
Starts With A Bang
New discovery sets humanity up to image “alien Earth”
Finding alien Earths requires seeing Earth-sized planets at Earth-like distances from Sun-like stars. A new discovery completes the roadmap.
Ethan Siegel
A mesmerizing starry sky with shooting stars and a majestic tree.
Starts With A Bang
2025’s Geminids will be the best meteor shower of the year
With a waning Moon and a denser-than-ever debris trail, 2025's Geminids might be the year's best meteor shower, and 2026's could be amazing.
Ethan Siegel
Tim O'Reilly, an older man with short gray hair wearing a light blue button-up shirt, stands outdoors with arms crossed, surrounded by green trees.
Business
“Surfing the edge”: Tim O’Reilly on how humans can thrive with AI
Media trailblazer Tim O’Reilly tells Big Think why AI requires "get yourself dirty" work — and warns us not to buy the hype.
Tim Cooper
Illustration depicting cosmic evolution from the Big Bang, through inflation and CMB, to the large-scale cosmic web. As time advances from 0 to 13.8 billion years, SPHEREx's mapping of galaxies teaches what CMB can't about our universe's development.
Starts With A Bang
The 9 biggest gaps in our understanding of cosmic history
Science has assembled an incredible story outlining our Universe's whole history. Despite its unrivaled success, 9 profound gaps remain.
Ethan Siegel
Two side-by-side images of the Pillars of Creation in the Eagle Nebula showcase different views with vibrant colors and star-filled backgrounds, embodying the great paradox of beauty within science.
Starts With A Bang
Ask Ethan: What’s the point of exploring the Universe?
There are so many problems, all across planet Earth, that harm and threaten humanity. Why invest in researching the Universe?
Ethan Siegel
A sequence of four orange and black butterflies in motion, captured against a black background, their blurred wings a graceful display of butterfly wisdom in flight.
Business
What we can learn from butterflies
Welcome to The Nightcrawler — a weekly newsletter from Eric Markowitz covering tech, innovation, and long-term thinking.
Eric Markowitz
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