This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

Although it's smaller than a planet, Chiron could be a natural laboratory for learning about how ring systems form, change, ...

Researchers armed with a new "photonic lantern" device have discovered an unexpectedly asymmetrical disk of gas swirling ...

"No low-frequency radio image of the entire Southern Galactic Plane has been published before, making this an exciting ...

A team of astronomers has discovered the largest and most distant water reservoir ever detected in the universe, surrounding ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

Avi Loeb's controversial theories on 3I/ATLAS and its extraterrestrial implications face major scrutiny from top astronomers, ...

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

The research team scoured the 12 th century C.E. Dresden Codex—a rare, fully preserved Maya book known for its eclipse table.

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.