The Mystery of Betelgeuse’s Dimming Has Finally Been Solved
In December 2019, astronomers noticed a strange, dramatic dimming in the light from Betelgeuse, a bright red star in the
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Science
GPS III’s Long Journey Is Picking Up Speed
With the launch of a fifth new-generation satellite, the US finally has a constellation able to globally beam M-Code signals
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The Lithium Mine Versus the Wildflower
The environmental ethicist Katie McShane compares our reverence for species to the word freedom. Everyone believes in it, but nobody
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The Delta Variant and Low Vaccine Rates Could Spell Trouble
By many metrics, the US is doing relatively well against the pandemic coronavirus. National tallies of cases, hospitalizations, and deaths
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A Clever Robot Spies on Creatures in the Ocean’s ‘Twilight Zone’
Using stereo cameras and detection algorithms, Mesobot parses its subjects’ movements and follows them. Yoerger and his colleagues demonstrated the
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The Challenge of Covid-19 Vaccines for the Immunosuppressed
Plus, antibodies are not the only defense the body deploys to create immunity: We also make T cells, memory B
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NASA Might Put a Huge Telescope on the Far Side of the Moon
The universe is constantly beaming its history to us. For instance: Information about what happened long, long ago, contained in
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What If Doctors Are Always Watching, but Never There?
This new system, which continually monitors and collects patient data, has recently gone wireless. It is being tested on patients
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How Humans Think When They Think As Part of a Group
After several days conducting military drills off the coast of California, the USS Palau was headed home. The massive aircraft
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How Do You Make a Robot Walk on Mars? It’s a Steep Challenge
From the Sojourner rover, which landed on Mars in 1997, to Perseverance, which touched down in February, the robots of
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