New photos from the recent 'blood moon' eclipse show that interstellar comet 3I/ATLAS may be turning green as it gets closer to the Sun.

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound observations.

A strange flash on Saturn earlier this summer caught the attention of astronomers and sparked speculation about a possible ...

The long-standing idea of planets forming in perfectly flat, orderly discs has been challenged by new research. Instead of ...

Astronomers believe they’ve discovered another so-called quasi-moon of Earth, though it’s likely been circling undetected in near space for decades. Dubbed 2025 PN7, this mini moon is actually an ...

Astronomers have detected a massive gamma-ray explosion coming from outside the galaxy. The explosion's origins and power are ...

Finding another Earth is the holy grail of modern astronomy. NASA’s upcoming Habitable Worlds Observatory (HWO) is ...

A team of Pennsylvania State University researchers has a unique take on mysterious red dots first observed by the James Webb Space Telescope.

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Astronomers from Ruhr University Bochum in Germany and elsewhere have conducted radio spectropolarimetric observations of a ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit ...

Gary passed away at home in Tehachapi at the age of 73. He was a man with wide interests, ranging from astronomy, theater and ...