Those up early for SpaceX's Thursday morning rocket launch may have noticed some unique clouds in the sky as the sun rose.

Scientist Avi Loeb suggests the interstellar object 3I/ATLAS, speeding toward the Sun, could be alien technology. Researchers ...

Reionization is thought to have been driven by ultraviolet light produced by both early stars and active galactic nuclei ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

Witnessing a meteor, or \"shooting star,\" is a dazzling event caused by tiny space rocks burning up in Earth's atmosphere.

Astronomers have discovered a primeval but the most pristine star ever found in the universe. According to a research team ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...

By listening for ghostly radio echoes from the early Universe, scientists believe future Moon missions could determine what ...