On the exoplanet Janssen, heat from its host star and immense pressure have made the world something of a hellscape, with the ...

A handheld device invented by University of Delaware physics professor Spencer Axani could democratize the study of high-energy particles originating from exploding stars and other extreme ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...