New radio images reveal an unusually faint and symmetrical supernova remnant, nicknamed Telios, lurking just below the galactic plane of the Milky Way. However, they cannot tell exactly where it is, ...

Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense ...

The Integral Sign Galaxy (UGC 3697) glows dimly and shows a warped, twisted structure indicative of past interactions.

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far ...

The June 2025 issue of Scientific American is packed with exciting features, from magnificent mitochondria and a plan to ...

A new theory may finally unveil their origin. Ultra-high-energy cosmic rays (UHECRs) surpass in power anything humans can produce in laboratories. Their discovery dates back over 60 years, but their ...

A puzzling discovery in NGC 1068 shows a flood of neutrinos but weak gamma rays. Scientists now suspect helium atoms ...

Have you ever had an X-ray taken of your bones ... magnetic fields at the center of the Milky Way galaxy. The particular cosmic "bone" shown here is G359.13142-0.20005 (G359.13 for short, or ...

Something really weird happened out in space, and astronomers are totally baffled. A strange cosmic explosion lit up the sky, ...

Natural radiation from space can interfere with measuring radioactivity in scientific samples. The IAEA built an underground lab to minimize this interference and allow precise measurements. In Monaco ...

THE twenty-five year period of King George's reign includes almost the entire history of the study of cosmic rays. The presence of these rays was revealed by a series of experiments carried on ...

revealing correlations between solar modulation and cosmic ray movement. AMS measurements provide insights i... Cosmic rays and their byproduct, muons, may help scientists study tornado formation ...