What's up in
Plunge Into a (Virtual Reality) Black Hole
Join a fleet of robotic probes on a one-way virtual-reality trip into the abyss of a massive black hole.
Newfound Wormhole Allows Information to Escape Black Holes
Physicists theorize that a new “traversable” kind of wormhole could resolve a baffling paradox and rescue information that falls into black holes.
LIGO Architects Win Nobel Prize in Physics
The American physicists Rainer Weiss, Kip Thorne and Barry Barish were honored for dreaming up and realizing the experiment that confirmed the existence of gravitational waves.
For Astronomers, Neutron Star Merger Could Eclipse Eclipse
Even as the solar eclipse was mesmerizing millions, astronomers were training their space- and land-based telescopes on a far more violent astrophysical event.
Joe Polchinski’s Restless Pursuit of Quantum Gravity
The pot-stirring string theorist and quantum gravity theorist never sits still for long.
Black-Hole Hunter Takes Aim at Einstein
The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.
Strange Noise in Gravitational-Wave Data Sparks Debate
The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.
Where Gravity Is Weak and Naked Singularities Are Verboten
Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
Latest Black Hole Collision Comes With a Twist
The Advanced Laser Interferometer Gravitational-Wave Observatory’s third detection further compounds the mystery of why black holes collide.