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 ...

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

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

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

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

From immense pressure to limited supplies, learn more about the similarities between deep sea and space exploration and what ...

Explosions and active galactic nuclei also create cosmic rays: extremely energetic protons and electrons. These could stream across the universe towards us, before colliding with a particle of ...

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

Neutrinos are very mysterious particles,” says Damien Dornic, one of the co-authors of a new paper published February 12 in Nature that describes the detection of the decay products of an extremely ...

These are mainly protons and electrons, which are commonly known as cosmic rays," team co-leader Guillem ... regions of some galaxies called active galactic nuclei (AGNs). Quasars are some of ...

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

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