While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling ...

The Richard F Caris Mirror Lab in Tucson is actually attached to the UA football stadium, with some parts being below seats ...

The Wow! Signal, a mysterious 1977 radio burst, is being revisited by scientists who explore a potential link to the ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. Big telescopes feature some of the finest and most precise mirrors ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

The interstellar comet 3I/ATLAS (C/2025 N1) is hurtling through the solar system and will be at its closest point to Earth ...

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

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