What Created This Mini Book-Shaped Rock on Mars?
A book-shaped rock spotted by the Curiosity rover on Mars is the result of an interplay of wind, water—and the human brain
A book-shaped rock spotted by the Curiosity rover on Mars is the result of an interplay of wind, water—and the human brain
For at least three years, the mysterious blast has shined ten times brighter than any supernova
Launching a fleet of space telescopes is not the solution to the Starlink problem
Two SciAm editors duke it out to see if wormholes and multiverses could in fact exist.
Betelgeuse, the red star at the shoulder of the constellation Orion, has been acting strange, raising hopes for the spectacle of a lifetime
Physicists have put the largest-ever object into a quantum superposition
Laser-based optical frequency combs, originally developed to time atomic clocks, can also perform fast, noninvasive tests for COVID—and potentially other diseases as well
A new way to gauge the universe’s expansion rate has delivered a confusing result that may conflict with previous related measurements
Hints of life on distant worlds will come from signals pioneered by NASA’s jumbo space telescope
Hints of water vapor on a world called GJ 486 b could just as well come from the planet’s host star
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