Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

Aug. 11—Famous for finding gold-filled shipwrecks and sunken submarines, a Spokane firm's latest discovery may have come from the cosmos. Williamson & Associates, a deep-sea engineering firm based in ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The mysterious interstellar object 3I/ATLAS is just weeks away from reaching its closest point to Earth: it’s expected to pass within just 170 million miles of our home planet on December 19, giving ...

The mysterious interstellar object 3I/ATLAS is just weeks away from reaching its closest point to Earth: it’s expected to pass within just 170 million miles of our home planet on December 19, giving ...

The MarketWatch News Department was not involved in the creation of this content. Lowell Observatory astronomer Dr. Qicheng Zhang has captured the first ground-based optical images of Comet 3I/ATLAS ...

For months now, astronomers have been closely watching the mysterious interstellar object 3I/ATLAS as it rips through the solar system at a breakneck velocity. And before it finally leaves us for good ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Space agencies around the globe have launched an unprecedented wave of planetary defense exercises, all centered on a mysterious interstellar visitor that refuses to behave like anything scientists ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month. Comet 3I/ATLAS has ...