Universe

A structure that links amino acids suggests that early organisms could have been based on an RNA-protein mix

The physics Nobelist and author has not exactly found religion—but that doesn’t mean he’s stopped looking

THESAN—the largest, most detailed computer model of the universe’s first billion years yet made—is helping set expectations for observations from NASA’s James Webb Space Telescope

Using a technique to block certain wavelengths of light, researchers hope to discover many more hidden pulsars

Data from the CHIME radio observatory are a milestone in the quest to discover the hidden origins of universal structure

Long-awaited boosts to the world’s most powerful collider could spur breakthroughs in the hunt for physics beyond the Standard Model

A debate over conflicting measurements of key cosmological properties is set to shape the next decade of astronomy and astrophysics

A new two-phase approach to building the Deep Underground Neutrino Experiment ignites controversy among particle physicists

Scientists are beginning to dream of how a new generation of super-heavy-lift rockets might enable revolutionary space telescopes and bigger, bolder interplanetary missions

The surprisingly bright galaxy, called HD1, may contain some of the universe’s first stars, as well as a supermassive black hole

Revisiting a controversial claim, astronomers are laying bare deep uncertainties about our understanding of galactic centers

Researchers have sighted only a handful of these odd radio circles and are trying to pin down what causes them