For decades, scientists have been chasing one of the universe’s greatest mysteries: dark matter. Thought to make up about 85% ...

For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the universe. These energetic travelers move at nearly the speed of light, packing ...

NASA astronauts Butch Wilmore and Sunita Williams face potential long-term health issues after a nine-month space mission.

KNOWLEDGE of the abundance of antiprotons in cosmic rays and in interstellar space could have important implications for cosmic ray theory, γ-ray astronomy and certain cosmological theories.

Scientists have finally solved a long-standing mystery: why do galaxy clusters stay hot? Thanks to a new discovery from the ...

BEIJING -- A group of Chinese and international scientists conducted a high-precision measurement of the very-high-energy ...

So let’s learn more about the dangers posed by galactic cosmic rays and solar flares. When German Jesuit priest and physicist Theodor Wulf climbed the Eiffel Tower in 1910 with an electrometer ...

Scientists may have detected dark matter’s first signal through ultra-high-energy cosmic rays. If true, it could challenge ...

A new study suggests that dark matter could be shaping cosmic chemistry, with a proposed self-annihilating dark matter ...

The XRISM collaboration has discovered flows of hot gas in the core of the Centaurus Cluster. By comparing state-of-the-art X ...

Scientists say they've uncovered the "largest known galactic structure," which spans a mind-boggling 1.4 billion light-years.

Scientists uncovered a vast cosmic bubble around our solar system, shaped by ancient supernovae. A hidden tunnel hints at a ...