ExoMars orbiter image of Comet

Astronomy & Observing News

Mars Orbiters' Front-row Seats to the Interstellar Comet

Spacecraft orbiting the Red Planet will aim a suite of instruments at Comet 3I/ATLAS to capture details about this enigmatic object.

Leftmost of three-panel infrared image of Comet 3I/ATLAS taken by JWST on August 6, 2025. The panel shows the overall infrared image with a bright white core fading to red, orange, and blue.

Astronomy & Observing News

Webb Telescope Finds Interstellar Comet Has Unexpected Composition

Observations with the James Webb Space Telescope have shown the new interstellar Comet 3I/ATLAS is surprisingly rich in carbon dioxide.

Comet 3I/ATLAS orbit

Astronomy & Observing News

Interstellar Comet 3I/ATLAS: What We Know Now

Observations have revealed the comet’s fuzzy coma, hinted at a weird tail, and suggested an ancient history. Plus, some missions might keep observing the interstellar comet when it ducks behind the Sun.

Comet 3I/ATLAS amateur view

Astronomy & Observing News

Rare Interstellar Comet Buzzes Solar System

A newfound comet from a remote star system may become bright enough to see in amateur telescopes this November.