I/ʻOumuamua, 2I/Borisov, and 3I/ATLAS. Each offers unique insights into shape, composition, and trajectory, revealing ...

How can a celestial object be bright and faint at the same time? The answer hinges on its surface brightness. In the case of ...

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, ...

During its close approach to Mars on October 3rd, the interstellar object 3I/ATLAS was captured by the European Space ...

And speaking of the break of dawn, that happens nowadays at around 5:15 a.m. local daylight time. And that's the time for when you should set your alarm clock Thursday morning, to see a tight ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should be visible across the U.S. But unless you're willing to wake up before ...

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 ...

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 something else entirely ...

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 ...