This week, a groundbreaking new study reveals the discovery of new caves on the Moon that could serve as natural entrances to ...

Since their discovery in the late 1700s, astronomers have learned that planetary nebulae, or the expanding shell of glowing gas expelled by a low-intermediate mass star late in its life, can come in ...

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Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Castel Gandolfo is also home to one of the Holy See’s more unexpected institutions: the Vatican Observatory, which since its ...

Astronomers have caught a rare type of black hole in the act of devouring a star—an event that lit up the universe in X-rays.

Dubai: In a groundbreaking discovery that's reshaping our view of the cosmos, astronomers have pinpointed a remarkably dense ...

Peering at the sunlit skies through a Vatican-owned space telescope and calling the last surviving member of the Apollo 11 ...

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the thing, point telescopes at it, argue about it. It's going to be fun." ...

A mysterious object the size of Manhattan is blazing through our solar system, and its origins remain a puzzle to the world's ...

Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our ...