Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies. Since then, they have argued about the source of those ultra-high-energy cosmic ...

A University of Oklahoma astrophysics team has discovered for the first time a population of planets beyond the Milky Way galaxy. Using microlensing–an astronomical phenomenon and the only known ...

(Nanowerk News) Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies. Since then, they have argued about the source of those ultra-high energy ...

Cosmic rays are atomic nuclei that travel through space at speeds close to that of light. Low-energy cosmic rays come from the Sun or from our own Galaxy, but the origin of the highest-energy ...

Scientists at the Harvard-Smithsonian Center for Astrophysics believe they’ve discovered the first extragalactic planet ever observed by humans. Now that we’ve gotten that out of the way: An ...

Astrophysicists have discovered for the first time a population of planets beyond the Milky Way galaxy. Using microlensing -- an astronomical phenomenon and the only known method capable of ...

An artist’s impression showing the HH 1177 system. The young and massive stellar object glowing in the center is collecting matter from a dusty disc while also expelling matter in powerful jets. This ...

The star S0–6 appears to have traveled 50,000 light-years from a now-extinct galaxy to reach the supermassive black hole at the heart of the Milky Way When you purchase through links on our site, we ...

A research group is reporting the detection of extragalactic planet-mass objects in a second and third galaxy beyond the Milky Way after the first detection in 2018. With the existing observational ...