Astronomers have confirmed the discovery of a third interstellar object visiting our solar system, and it’s already sparking excitement across the scientific community. On June 30, 2025, Matthew ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say. The "water ice-rich" ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

The solar system’s newest visitor, 3I/ATLAS, may be 3 billion years older than the sun and its planets. First discovered on July 1, 3I/ATLAS is a rare interstellar object — only the third ever spotted ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a mysterious Planet Nine. By Kenneth Chang Kenneth Chang visited the Vera C. Rubin ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...