Astronomers using NASA’s James Webb Space Telescope have stumbled upon a puzzling population of galaxies that look far too bright for their age. In four patches of sky, covering more than 500 square ...

Some deep-sky objects stand on their own. Others pair up with notable companions. Occasionally, the surrounding star field ...

In 1408, Chinese astronomers and court officials observed an especially bright object in the sky that appeared for about ten days, but its identity remained unknown. The object was described as yellow ...

An incredible new image shows the multi-tailed alien comet 3I/ATLAS shooting past a distant galaxy in the night sky. The ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope? "The Seven Wonders of the Ancient World" is the first known list of the most ...

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 ...

People in at least seven states report the UFO sighting. — -- People across parts of the country turned their gaze skyward Monday, with two objects spotted in the night sky. The first object was ...

A high schooler, Matteo Paz, won $250,000 for discovering 1.5 million new space objects with AI. Paz built an AI algorithm to search data from a NASA space telescope for objects such as black holes.

A geomagnetic storm caused a kaleidoscopic array of colors to illuminate the sky across North America from Wisconsin to Florida on November 11 — and we could see a repeat tonight across multiple ...