What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across ...

The twinkling stars in the night sky are not just beautiful to look at. Their flickering reveals something about the varying ...

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...

A remarkable new deep-space image taken by astrophotographer Ronald Brecher is drawing attention across the astronomy ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope ...

X-ray astronomy has transformed our understanding of the Milky Way by revealing the high-energy processes that are invisible at optical wavelengths. Observations from orbiting telescopes capture ...

The galaxy M77 looks truly out-of-this-world in a new image by the James Webb Space Telescope.

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

Astronomy Magazine: Chris Mihos, the Worcester R. and Cornelia B. Warner Professor of Astronomy at the College of Arts and Sciences, noted that nearly all stars form inside galaxies, but some are ...