The oldest representation of the night sky and our Milky Way galaxy was found in an Egyptian sarcophagus, revealing ancient ...

A paper by astronomers Nathan Kaib and Sean Raymond released earlier this month used new simulations to determine how likely ...

Also appearing near the moon on the first night of the month is Regulus, the bright pale-blue star in the constellation Leo, ...

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

Red supergiant Antares, having just passed opposition on May 30, begins June low in the southeast at dusk. The morning ...

No telescope? No problem. These astronomy apps turn your phone into a sky guide perfect for spotting stars, planets, and ...

ASKAP J1832 pulses every 44 minutes in both radio and X-rays—something never seen before—hinting at an entirely new type of star or system. ASKAP J1832 is part of a rare group of space objects that ...

LIGO Hanford engineers swap out a fiber cable in a vacuum squeezer during the October 2019 commissioning break at the ...

A study published in Astronomy & Astrophysics has identified four previously unknown primordial open cluster (OC) groups in ...

Finally, in April 2025, MISTRAL delivered stunning images of the supernova remnant Cassiopeia A (Cas-A), one of the sky’s ...

Earth’s sister planet reaches greatest western elongation and dichotomy as the waxing Moon slides along the ecliptic in the ...

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