During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

Interstellar comet 3I/ATLAS is tearing across the inner solar system at roughly 130,000 miles per hour, a speed that turns ...

The object was first detected by the ATLAS telescope system in Hawaii, originally appearing to be an ordinary comet. However, ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

The interstellar object, 3I/ATLAS, was first discovered in July 2025, and made its closest approach to the sun (perihelion) ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - even older than the Sun. View on euronews ...

In a new study done with data compiled from the SPHEREx observatory, researchers found “increased post-perihelion activity” ...

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

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 ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...