Dust clouds blotting out the sun could be the end of the solar-powered probe
The problem would likely plague every technological civilization throughout the universe, says astrophysicist Adam Frank
The Milky Way is strewn with sparkling, spinning microscopic diamonds, which might explain an unusual microwave glow
A majority of Americans in a new national survey expressed support for a vision of space exploration largely at odds with the federal government’s present plans
After decades of searching, scientists are at last closing in on the sources of carbon-rich material in the Red Planet’s air and soil
Data from NASA’s Juno spacecraft reveals thunderbolts around the giant planet’s stormy poles
“Sterile neutrinos” that ignore all other particles might be showing up in experiments—and could even help solve the mystery of dark matter
Book Recommendations from the Editors of Scientific American
Scientists are mapping the extreme interiors of exotic stars with unprecedented clarity, and setting new boundaries on the births of black holes
People need to understand the technology’s limitations to avoid misinterpreting what they see
Images from NASA’s New Horizons probe reveal mysterious mounds made of frozen methane or nitrogen
In 1983, Peterson performed the first spacewalk from a space shuttle
The New York City phenomenon takes place Tuesday and Wednesday, and again in July
Physicists believe that at the tiniest scales, space emerges from quanta. What might these building blocks look like?
Ellen Stofan, head of the Smithsonian Air and Space Museum, told us about the power of museums to attract young scientists and combat attacks on science
Edinburgh University paleontologist Steve Brusatte talks about his May 2018 Scientific American article, "The Unlikely Triumph of the Dinosaurs," and his new book, The Rise and Fall of the Dinosaurs: A New History of a Lost World.
An elusive substance that permeates the universe exerts many detectable gravitational influences yet eludes direct detection
The terms asteroid, meteor, meteorite and even comet are often used interchangeably...but what is the difference?
New research suggests collisions between moonlets created the oddly-formed objects
Despite a long-standing international ban, ozone-destroying chlorofluorocarbons are surging back into Earth’s atmosphere from unknown sources