Extraterrestrial Life

Note to Branson and Bezos: Extraterrestrials Will Not Be Impressed

If they exist, they’ll find our puny forays into space completely insignificant

Avi Loeb | Opinion

Particle Physics

Weird Muons May Point to New Particles and Forces of Nature

A mismatch between theory and experiment could explain big physics mysteries

Marcela Carena

Planetary Science

Solar ‘Superflares’ Rocked Earth Less Than 10,000 Years Ago—and Could Strike Again

Although our sun is considered a quiet star, it is now thought to have repeatedly pelted our planet with enormous eruptions in the not too distant past. Could another occur in the near future?...

Jonathan O'Callaghan

Extraterrestrial Life

Looking for Interstellar Monuments

An ancient civilization from a distant star could have created immortal machines to roam the Milky Way and keep its legacy alive

Avi Loeb | Opinion

Planetary Science

Success! Perseverance Mars Rover Finally Collects Its First Rock Core

The mission is living up to its name, drilling and storing a Martian rock after a misstep in August

Alexandra Witze and Nature magazine