This fan-favorite double star at the head of Cygnus the swan shows off stunning contrasting colors through a telescope.

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Overall, the citizen scientists identified 10,001 eclipsing binary pairs. Of those, 7,936 were previously unknown.

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

In a groundbreaking development, a team of astronomers, in collaboration with citizen scientists, has uncovered a new and ...

Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since ...