Gravitational Waves Discovered from Colliding Black Holes
The LIGO experiment has confirmed Albert Einstein’s prediction of ripples in spacetime and promises to open a new era of astrophysics
Stories by Clara Moskowitz
Book Review: The Last Volcano
Recommendations from Scientific American
![Strange, Dense Matter: The Power of Neutron Stars [Video]](https://static.scientificamerican.com/sciam/cache/file/BE685A3E-A1E8-4282-89C767EB7E300AA0_agenda.png?w=275&h=154&fit=crop)
Strange, Dense Matter: The Power of Neutron Stars [Video]
A live Webcast Wednesday evening will discuss the latest science of neutron stars—some of the densest and weirdest objects in space
Book Review: Contact Sport
Recommendations from Scientific American
Book Review: Tunnel Visions
Recommendations from Scientific American
Not All Gravitational Waves Are Created Equal
The LIGO experiment hunts for gravitational waves that are different from those sought by BICEP2. Although both types are elusive, they differ in age and strength—and come from very different places...
Scientists Pick the Most Beautiful Equations
Mathematicians often see more than cold logic in symbols and numbers. They see the sublime
Book Review: A Brief History of Creation
Recommendations from Scientific American
Astronomers Struggle to Translate Anger into Action on Sexual Harassment
Scientists discuss the plight of women and minorities in the wake of a scandal over harassment by a prominent researcher
Book Review: Political Animals
Recommendations from Scientific American
Book Review: Light
Recommendations from Scientific American
Book Review: The Astronomer and the Witch
Recommendations from Scientific American
Potential New Particle Shows Up at the LHC, Thrilling and Confounding Physicists
The gigantic accelerator in Europe has produced hints of an exotic particle that defies the known laws of physics
The Hunt for Alien Molecules
Astrochemists are discovering many compounds in the cosmos that cannot exist on Earth
![How Radioactivity Can Benefit Your Health [Video]](https://static.scientificamerican.com/sciam/cache/file/9D7D1030-D14C-4131-9EEC1CC14A8C564B_agenda.png?w=275&h=154&fit=crop)
How Radioactivity Can Benefit Your Health [Video]
A live webcast Wednesday evening will demonstrate how radioactive chemicals can provide a window on disease within the body
Book Review: Extreme Earth
Recommendations from Scientific American
Mysterious Glow at Milky Way's Center Could Be Dark Matter or Hidden Pulsars
Astronomers get closer to an explanation for the unexpected abundance of gamma rays at the core of our galaxy...
Neutrinos Win Again: More Than 1,300 Physicists Share Breakthrough Prize for Particle Experiments
In October two discoverers of neutrino oscillations won the Nobel Prize. Now their full teams and those of several other experiments on the strange particles share a $3-million award
![The Promise of Optical Atomic Clocks: Watch Live Wednesday [Video]](https://static.scientificamerican.com/sciam/cache/file/8B7F5272-AA12-4F13-9A09F394BCD0BAB1_agenda.jpg?w=275&h=154&fit=crop)
The Promise of Optical Atomic Clocks: Watch Live Wednesday [Video]
Nobel laureate David Wineland will discuss efforts to build the universe’s most accurate timekeeper
Discoverers of Shape-Shifting Particles Win the Nobel Physics Prize
Takaaki Kajita and Arthur B. McDonald share the 2015 award for the discovery that neutrino particles can change “flavor”—and, unexpectedly, have mass
