The cosmos may have rebounded from an earlier contraction and “big crunch” into a “big bang” that started it all over again
Before it died barely a month after launch, the Hitomi spacecraft spied interesting effects of black holes on the Perseus cluster of galaxies
The second confirmation of ripples in spacetime is announced by astronomers at LIGO
Caltech’s Kip Thorne and Ronald Drever and MIT’s Rainer Weiss were the founders of the LIGO experiment that detected gravitational waves. They were just awarded the Kavli Prize in Astrophysics and two of them spoke with Scientific American 's Clara Moskowitz about LIGO and the public's reaction...
Astrophysicist Mario Livio will discuss how famous thinkers’ blunders have played a vital role in research during a live Webcast tonight at 7 P.M.
New Books for May 2016
Scientists from numerous disciplines will brainstorm new strategies for measuring "Big G" in July.
Three animations model how strongly magnetized stars produce oddball stellar explosions
The nonprofit Simons Foundation will fund a new observatory to search for signs of stretching in the very early universe
The natural world is the only world, theoretical physicist Sean Carroll argues in a new book
Film and book reviews from Scientific American’s May 2016 issue
Nobel physics laureate Arthur McDonald will discuss the surprising characteristics of neutrinos, which can change their identities as they fly through the universe
A new measurement of how fast space is expanding disagrees with estimates based on the early universe, potentially pointing toward a break from the standard model of physics
High-profile physicists and philosophers gathered to debate whether we are real or virtual—and what it means either way
Scientific American partnered on a writing contest for science fiction short stories inspired by the realm of quantum physics
A flash of light shortly after the detection of gravitational waves could mean that that historic event has an added wrinkle—the black holes that collided may have been born in the same collapsing massive star. ...
Recommendations from Scientific American
The Large Hadron Collider particle accelerator failed to confirm the Tevatron accelerator’s discovery of a new arrangement of quarks
Data from the DZero experiment shows evidence of a particle containing four different types of quarks
This toy is radioactively cute—and able to explain how a neutral-faced neutron turns into a proton with a positive expression.