The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

A new study co-led by the University of Oxford and Google Cloud has shown how general-purpose AI can accurately classify real changes in the night sky—such as an exploding star, a black hole tearing ...

ORCs are vast, faint rings of radio energy that surround galaxies and can be detected only in radio wavelengths of the ...

Explore the universe with multi-messenger astronomy, combining light, gravitational waves, neutrinos, and cosmic rays for a complete view.

Students published their scientific findings about the physical properties of an asteroid between Mars and Jupiter, which ...

The article details the historical underrepresentation of women in astronomy, highlighting the significant contributions of numerous women despite facing systemic challenges such as limited access to ...

After 43 years with Astronomy, including 23 years as Editor-in-Chief, David J. Eicher is transitioning to a new role as the magazine’s Editor Emeritus. Eicher is one of the most widely recognized ...

From ancient civilizations charting the stars to modern-day horoscopes guiding daily decisions, our relationship with the cosmos is as complex as it is enduring. But how well do you really know the ...