Cosmic particles with phenomenal energy have puzzled scientists for decades. A new theory may finally unveil their origin.

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

In a dramatic leap for astrophysics, Chinese researchers have recreated a key cosmic process in the lab: the acceleration of ...

"Some cosmic phenomena produce X-rays naturally," explains Dr. Przemek ... others flared up only once during the observation ...

Unusual signals called quasi periodic eruptions appear to come from black holes, but we don't know what creates them. Now ...

A new paper provides scientists with a groundbreaking tool for understanding cataclysmic events. Physicist Glennys Farrar has ...

Simpson and Meyer showed how the sunspot cycle influenced all but the highest-energy cosmic rays, and Meyer discovered the ratios of intensities of cosmic ray components—providing clues to ...

With the most powerful radio telescope in the southern hemisphere, we have observed a twinkling star and discovered an ...

Astronomers have discovered that the Hercules-Corona Borealis Great Wall — the largest known structure in the universe — is ...

Researchers from the University of Science and Technology of China (USTC) achieved the first direct laboratory observation of ...

A dramatic cosmic event is winding up to occur right in our backyard. Astronomers have spotted a pair of stars bound for ...