There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

Dubbed Teleios, the unusually symmetrical space object is puzzling astronomers with its near-perfect shape and mysterious ...

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

An international team of astronomers reports the discovery of a new supernova remnant that showcases a remarkable circular ...

Our Milky Way galaxy is home to some extremely weird things, but a new discovery has astronomers truly baffled.

Dubbed "Teleios" after the Greek word for "perfect," the object is what's known as a supernova remnant (SNR), a glowing cloud ...

Scientists using radio wavelength data from the Australian Square Kilometre Array Pathfinder (ASKAP) spotted a strangely ...

Astronomers are urging Earthlings to keep their eyes peeled for a once-in-a-lifetime sight that hasn't been observed for 80 ...

Scientists may have discovered the most powerful particle colliders in the universe — and they're strewn throughout our ...

Another kind of supernova is called type I. That happens when two stars orbit each other. One star may start siphoning the ...

You need to start with a star shedding material ahead of the explosion, something common in several types of supernova.