Archive - Invisible Universe

Why Do Extraordinary Claims Require Extraordinary Evidence?

Carl Sagan made this anti-BS test famous. But people widely misunderstand what it means, and how to apply it.

Mar 31 •

The Billion-Degree Energy Solution

Decades of R&D have failed to produce a useful fusion power plant. To succeed, maybe we need to make the problem a whole lot harder.

Mar 4 •

January 2025

The 100th Birthday of the Universe

One century ago, on January 1, 1925, Edwin Hubble proved the existence of other galaxies and blew open the frontiers of the cosmos.

Jan 20 •

December 2024

Does Anybody Really Know What Time It is?

Past, present, and future get complicated when you venture into deep space. But there's a simple way to make sense of them.

Dec 30, 2024 •

November 2024

The 600 Trillion Mile Perspective

What's better than "you are made of star stuff"? How about "you are made of cosmic information"?

Nov 25, 2024 •

June 2024

You Are a Ripple of Information

Think about yourself as an action more than a object, and the whole world starts to make more sense.

Jun 12, 2024 •

April 2024

How We Learned to Love the Invisible Sun

Eclipse edition special: looking back on 5,000 years of the human relationship with solar eclipses

Apr 7, 2024 •

March 2024

Stars of Your Life

Sometimes we all need a jolt of perspective. Here's a potent way to get it.

Mar 7, 2024 •

February 2024

Confessions of a Science Anti-Troll

It started innocently enough when I wondered, "Does anybody really think the Earth is flat?"

Feb 12, 2024 •

November 2023

Bringing it All Back Home

NASA just retrieved a half-pound sample of a potentially hazardous asteroid. It's the latest in a series of grand projects to drag the heavens down to…

Nov 4, 2023 •

October 2023

Lessons from the UFOs

The truth is down here.

Oct 6, 2023 •

August 2023

Enter the Invisible Universe

In the age of the extended senses, what you see is just a tiny fraction of what you can perceive.

Aug 11, 2023 •

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