Astronomy

Astronomers worry that an impending future of widespread satellite constellations could darken our bridge to the stars.

The exoplanet K2-18b might host a water ocean.

Two previously discovered galaxies have been hiding strange perpendicular rings of stars and gas. These so-called polar ring galaxies may prove to be less rare in the universe than once thought.

Astronomers normally observe galaxies by observing light these objects emit, but some tricky galaxies require a different approach.

Astronomers have weighed the halos of dark matter that surround ancient galaxies with profound implications for our understanding of cosmic evolution.

An exclusive interview with astrophysicist and author Neil deGrasse Tyson for his new book, "To Infinity and Beyond," released on Sept. 12, 2023.

Caroline Herschel, the first English professional female astronomer, made contributions to astronomy that are still important to the field today.

Thanks to the sun's 11-year-long cycle, Neptune might be systematically purged of its clouds.

The foundations of Michigan State University's first astronomy building recently came to light, showing a long history of telescope work in the Wolverine State.

Astronomers have discovered a failed star that can't sustain nuclear fusion in its core, but is 2,000 degrees Fahrenheit hotter than the sun.