Earth harbors incredible secrets, from remnants of a planet that formed the Moon residing deep within, to ancient auroras ...

ASKAP telescope discovered Teleios, a perfectly spherical radio-only object in Milky Way with diameter up to 157 light-years.

A near-perfect circle in a messy universe is a special find.” With those sentiments, astrophysicist Miroslav Filipović of ...

The most recent nearby supernova, SN 1987A, was in the Large Magellanic Cloud. The Milky Way’s youngest known supernova is ...

Astronomers have spotted something remarkable hiding in the depths of the Milky Way—a nearly perfect circle formed from the ...

Either we are uncovering something entirely new, or we’re seeing a known type of object emitting radio and X-ray waves in a ...

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

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy: NASA, ...

ASKAP detects a perfectly spherical supernova remnant called ‘Telios’ Telios’ true distance and size remain unclear due to ...

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