Quantum Physics

Physicists Link Two Time Crystals in Seemingly Impossible Experiment

A new demonstration of these exotic constructs could help bridge classical and quantum physics

Paul Sutter and LiveScience

Astronomy

Webb Telescope’s Giant Mirror Struck by Micrometeoroid

The impact has slightly degraded one of the observatory’s mirror segments, but NASA says the telescope has sustained no significant damage

Meghan Bartels and SPACE.com

Dark Matter

Astronomers Might See Dark Matter by Staring into the Void

Vast reaches of mostly empty space could offer superior odds for detecting the invisible substance thought to make up more than 80 percent of the material in the universe

Anil Ananthaswamy

Space Exploration

NASA’s Perseverance Rover Begins Key Search for Life on Mars

Rolling up an ancient river delta in Jezero Crater, the rover starts crucial rock sampling.

Alexandra Witze and Nature magazine

Astronomy

James Webb Space Telescope Set to Study Two Strange Super-Earths

Space agency officials promise to deliver geology results from worlds dozens of light-years away

Elizabeth Howell and SPACE.com