Sep 19, 2021
Something Big Just Hit Jupiter
In 1994, the Comet Shoemaker-Levy 9 (SL9) impacted Jupiter, which had captured the comet shortly before (and broken apart by its gravity). The event became a media circus as it was...
Sep 14, 2021
There Is Now a 'Gas Station' in Space
According to the Union of Concerned Scientists (UCS), over 4,000 operational satellites are currently in orbit around Earth. According to some estimates, this number is...
Aug 11, 2021
We’ll Have to Wait 3,000 Years for a Reply From Aliens
As a field, the Search for Extraterrestrial Intelligence suffers from some rather significant constraints. Aside from the uncertainty involved (e.g., is there life beyond Earth we...
May 17, 2021
Is it Time to Update the Drake Equation?
On November 1st, 1961, a number of prominent scientists converged on the National Radio Astronomy Observatory in Green Bank, West Virginia, for a three-day conference. A year...
May 13, 2021
In 1.3M Years, a Star Will Come Within 24 Light-Days of Sun
Within the Milky Way, there are an estimated 200 to 400 billion stars, all of which orbit around the center of our galaxy in a coordinated cosmic dance. As they orbit, stars in the...
Mar 4, 2021
What Happens if Perseverance Finds Life on Mars?
It all happened so fast! On Thursday, February 18th, NASA’s Perseverance rover set landed in the Jezero crater on Mars and almost immediately transmitted its first image of the...
Jan 8, 2021
Beyond Fermi: What Is the "Dark Forest" Hypothesis?
In 1950, Italian-American physicist Enrico Fermi sat down to lunch with some of his colleagues at the Los Alamos National Laboratory, where he had worked five years prior as part of...
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