The light did not fade the way it was supposed to. After blazing into view about a billion light-years from Earth, the supernova known as SN 2024afav settled into something stranger. Its brightness ...

Astronomers have for the first time observed the birth of a magnetar, a highly magnetized, rapidly spinning neutron star, directly linked to some of the universe’s brightest exploding stars. This ...

Novel biodegradable patent foramen ovale (PFO) closure devices offer a promising therapeutic option. The efficacy and safety of the novel biodegradable devices compared with nitinol devices have not ...