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 ...

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

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 ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

Astronomers using the James Webb Space Telescope may have found the universe’s first “dark stars.” Within the first few hundred million years after the Big Bang, the universe’s earliest stars took ...