Astronomy

Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too

The death throes of a massive star in the galaxy M101, located just 21 million light-years away from Earth, are entrancing professional and amateur astronomers alike

Meghan Bartels

Space Exploration

Can NASA's Artemis Moon Missions Count on Using Lunar Water Ice?

How realistic is it to expect to find enough ice on the moon to support human habitation?

Leonard David and SPACE.com

Planetary Science

JWST Spots Biggest Water Plume Yet Spewing from a Moon of Saturn

The huge watery cloud spurting from Enceladus could carry the ingredients for life farther into space than previously known

Alexandra Witze and Nature magazine

Extraterrestrial Life

Is E.T. Eavesdropping on Our Phone Calls?

Cell phone towers leak radio waves into space, but they’ll be tough for aliens to detect

Phil Plait | Opinion

Astrophysics

Gravitational-Wave Search Resumes after Three Years and Lots of Headaches

Researchers still hope to discover hundreds of new binary black hole mergers despite technical setbacks that have sidelined key detectors in Italy and Japan

Daniel Garisto