Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Scientists finally caught solar neutrinos triggering a rare atomic transformation once thought nearly impossible to observe.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Neutrinos are one of the most mysterious particles in the universe, often called "ghost particles" because they rarely ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels ...