A Background ‘Hum’ Pervades the Universe. Scientists Are Racing to Find Its Source
Astronomers are now seeking to pinpoint the origins of an exciting new form of gravitational waves that was announced earlier this year
Astronomers are now seeking to pinpoint the origins of an exciting new form of gravitational waves that was announced earlier this year
An artist, a programmer and a scientist have created a simulation of extraterrestrial communication to test Earthlings’ ability to understand it
Scientists have developed a new model to predict how much “gravity waves” could alter a star’s brightness
New measurements from Japan’s Subaru telescope have helped researchers study the matter-antimatter asymmetry problem
Experts weigh in on the most shocking, paradigm-shifting and delightful findings in the history of physics
Astrophysicist Aomawa Shields recounts her alternative career path in a new memoir about life, space and motherhood
Astronomers are piecing together the final moments of supernova 2023ixf and learning more about it than any other in recent history
Stars fueled by the self-annihilation of dark matter might have been spotted for the first time by JWST
A trio of solar flares from a departing sunspot include one major flare that lasted several hours
Earth-based analogs are opening new frontiers in studies of the superdense interiors of neutron stars
Astronomers found two colliding galaxies dating back to less than 500 million years after the big bang
The disk of our galaxy was long thought to produce these ghostly high-energy particles, but they haven’t been detected until now
Astrophysicists are tuning in to a never-before-seen type of gravitational wave spawned by pairs of supermassive black holes
Astrophysicist Farhad Yusef-Zadeh has spent decades peering into the center of the Milky Way galaxy, discovering hundreds of enigmatic filaments in the process
Particle by particle, all matter may eventually disappear, according to new calculations
Researchers still hope to discover hundreds of new binary black hole mergers despite technical setbacks that have sidelined key detectors in Italy and Japan
After years of downtime for upgrades, the world’s premier gravitational-wave observatories are coming back online with big hopes for transformative discoveries
For at least three years, the mysterious blast has shined 10 times brighter than any supernova
Two SciAm editors duke it out to see if wormholes and multiverses could in fact exist.
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
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