Space & Physics
Do We Live in a Simulation? Chances Are about 50–50
Gauging whether or not we dwell inside someone else’s computer may come down to advanced AI research—or measurements at the frontiers of cosmology
Features
Space & Physics
Venus Might Host Life, New Discovery Suggests
The unexpected atmospheric detection of phosphine, a smelly gas made by microbes on Earth, could spark a revolution in astrobiology
Space & Physics
Nobel Prize Work Took Black Holes from Fantasy to Fact
Over the past century, the existence of these invisible cosmic bodies has become unmistakable
Departments
- From the Editor
Are We Real? And Other Questions of Physics
- News
First Room-Temperature Superconductor Excites and Baffles Scientists
Rogue Rocky Planet Found Adrift in the Milky Way
Google's Quantum Computer Achieves Chemistry Milestone
Want to Talk to Aliens? Try Changing the Technological Channel beyond Radio
Water on Mars: Discovery of Three Buried Lakes Intrigues Scientists
Identical Quantum Particles Pass Practicality Test
- Opinion
How Andrea Ghez Won the Nobel for an Experiment Nobody Thought Would Work
The Quantum Butterfly Noneffect
In Memoriam: John D. Barrow
