The recent visit to our solar system by the interstellar object 3I/ATLAS has sparked speculation about whether it’s another ...

Physicists are quietly advancing a radical idea: time might not be a single, thin line but a full three‑dimensional landscape ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

"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.

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

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 ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

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 ...