The universe looks bright and familiar when we look up at the night sky. We see stars, planets, galaxies, and glowing clouds ...

"WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

The idea that reality might be a kind of cosmic software has moved from late night dorm debates into serious physics journals ...

This episode of the Physics World Weekly podcast features Alex May, whose research explores the intersection of quantum ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Scientists build ultra-sensitive detectors to study dark matter and dark energy, which make up most of the universe but remain unseen and poorly understood ...

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions ...

But machinery used on the moon must function in low gravity, a vacuum and amid abrasive lunar dust. It must also survive the two-week lunar night of electronics-killing temperatures that plunge to ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...