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gravity probe b
Starts With A Bang
Ask Ethan: How can we better measure G, the gravitational constant?
We first measured G, the gravitational constant, back in the 18th century. As the least well-known fundamental constant, can it be improved?
Ethan Siegel
Collage with red and gray tones shows a hand writing in a notebook, crumpled paper, an iceberg, and the text “The Nightcrawler” at the top—capturing a mood of long thinking and creative struggle.
Business
The enduring value of a notebook and “long thinking”
Welcome to The Nightcrawler — a weekly newsletter from Eric Markowitz covering tech, innovation, and long-term thinking.
Eric Markowitz
Starts With A Bang
Light and gravity travel at the same speed, but don’t arrive together
In 2017, a kilonova sent light and gravitational waves across the Universe. Here on Earth, there was a 1.7 second signal arrival delay. Why?
Ethan Siegel
A cylindrical space habitat with green landscapes and rivers, viewed from inside; two moons and a bright sun-like object are visible through large windowed sections.
13.8
The next great leap in evolution may lie beyond Earth
NASA’s Caleb Scharf talks with Big Think about life’s long experiment in expansion.
Adam Frank
A detailed image of the Eta Carinae star system could trick science headlines with its bright, colorful clouds of gas and dust in blue, red, and purple hues swirling around a luminous central region.
Starts With A Bang
The devious trick behind the most sensational science headlines
Dark matter, dark energy, and the Big Bang are all part of a solid scientific foundation. Here's why popular media often claims otherwise.
Ethan Siegel
A petri dish with a red agar medium shows various colonies of bacteria growing, with dense streaks on the right and scattered colonies on the left.
13mins
The Big Think Interview
How chance and error shaped every living being on Earth
“Chance invents and natural selection propagates that chance invention.”
Sean B. Carroll
Four people work at consoles surrounded by monitors and control panels in a dimly lit NASA mission control room, with large display boards overhead.
Hard Science
How a scientific mistake from the 1970s derailed Mars exploration
What if the first search for life beyond Earth actually succeeded?
Dirk Schulze-Makuch
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