Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third ever observed — hurtling toward the center of the solar system. The object, dubbed 3I/ATLAS, has ...

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has been able to pinpoint the exact moment when planets began to form ...

New observations of interstellar comet 3I/ATLAS show high levels of deuterated water, suggesting it formed in a colder star ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...

Scientists studying 3I/ATLAS have detected unusually high levels of heavy water, indicating it formed in an extremely cold ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has ...