Where will 3I/ATLAS be on October 29? The interstellar comet 3I/ATLAS will reach its closest point to the Sun on October 29, 2025, at about 1.4 astronomical units. Scientists and astronomers will ...

As the interstellar comet 3I/ATLAS navigates the solar system's inner region, it is currently too faint and distant to be detected by the naked eye or even standard binoculars. However, a stunning new ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet. The comet, ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter and greener since its close flyby of the sun in October. When you purchase ...

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur astronomers used spacecraft data to track its progress right up until perihelion.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Have you seen the comets yet? Comets Lemmon (C/2025 A6) and ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was truly out of this world, revealing clues to the object’s composition.

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth When Comet 3I/ATLAS roared into the solar system this ...

The images, captured around Oct. 2-3, remain unreleased. Their delay is attributed to the federal government shutdown that began on Oct. 1, which furloughed NASA personnel and paused data processing, ...