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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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A series of solar sail spacecraft harvest solar power at night, floating above Earth's atmosphere with the sun shining in the background.
Starts With A Bang
The true cost of “solar power at night” with Reflect Orbital
Solar power has the disadvantage that there's no Sun at night. Satellite startup Reflect Orbital wants to change that, but at what cost?
Ethan Siegel
The cover of "All That We See or Seem" by Ken Liu features blurred colorful lines and glowing blue text on a dark background, perfectly capturing the enigmatic spirit of all that we see or seem.
Books
“All That We See or Seem”: A novel by Ken Liu
A preview of the latest novel by the Hugo- and Nebula-winning author.
Ken Liu
Artistic illustration depicting one of the biggest mysteries of the origin of the universe, showing entangled particles connected by curved paths in space, inspired by concepts from quantum physics and wormholes.
Starts With A Bang
Cosmic inflation’s biggest criticisms can’t undermine its success
Inflation's two main criticisms, that it can predict anything and that the "measure problem" remains unsolved, can't erase its successes.
Ethan Siegel
The Orion Nebula surrounded by stars, with a bright green meteor streaking diagonally across the image, evokes the wonder of shooting stars illuminating the night sky.
Starts With A Bang
How to see shooting stars from Halley’s comet this October
The Orionids meteor shower peaks October 20th/21st here in 2025, coinciding with a new Moon. See the brightest shooting stars of the year!
Ethan Siegel
A view of deep space showing numerous galaxies of various shapes and sizes scattered across a dark background.
Starts With A Bang
Starts With A Bang podcast #122 – Galaxy evolution and JWST
To learn how our Universe grew up, we have to look at large numbers of galaxies at all distances to find out. Good thing we have JWST!
Ethan Siegel
Collage with hands shaping dough, overlapping U.S. flags, circular architectural elements, and "THE NIGHTCRAWLER" at the top—reflecting on the AI divide woven into the fabric of American life.
Business
The great AI divide: Europe vs. Silicon Valley
Welcome to The Nightcrawler — a weekly newsletter from Eric Markowitz covering tech, innovation, and long-term thinking.
Eric Markowitz
Starts With A Bang
400 years later, astronomers finally understand Saturn’s rings
Since the time of Galileo, Saturn's rings have remained an unexplained mystery. A new idea may have finally solved the longstanding puzzle.
Ethan Siegel
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