Beyond Neptune, a celestial object puzzles astronomers with its synchronized motion with the giant planet. Its inclined orbit challenges current models of the outer Solar System. Discovered by an ...

This image provided by NASA shows X-rays from NASA’s Chandra X-ray Observatory (represented in blue) that have been combined with infrared data from NASA’s retired Spitzer Space Telescope (cyan, light ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a strange new object in our Milky Way galaxy. An international team reported Wednesday that this celestial object — perhaps a star, pair of stars or ...

What made the pulses puzzling to the astronomers was that they came in the form of both radio waves and X-rays. The discovery marks the first time that such objects, called long-period transients, ...

A new study led by researchers from the Yunnan Observatories of the Chinese Academy of Sciences has developed a neural network-based method for large-scale celestial object classification, according ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the nature of one of the most mysterious and fundamental phenomena in contemporary ...