Comets

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

3I/ATLAS was first spotted on July 1, 2025 by the ATLAS telescope in Río Hurtado, Chile, and officially designated 3I/2025 A1 (ATLAS), the third confirmed interstellar object after 1I/‘Oumuamua (2017) and 2I/Borisov (2019). It is traveling through the inner solar

19 August 2025

Astronomy·Comets·Interstellar Objects·Space Exploration

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

Interstellar Comet 3I/ATLAS – Third Cosmic Visitor Unveiled, Fast and Enormous

3I/ATLAS is the third interstellar object ever recorded. It was first spotted on July 1, 2025 by the ATLAS survey telescope in Río Hurtado, Chile. The designation 3I/ATLAS marks it as the third interstellar object in our solar system. Its

2 August 2025

Astronomy·Comets·Interstellar Objects·Space News

Astronomers Spot a 7-Billion-Year-Old Interstellar Comet – Could It Be the Oldest Ever Seen?

On July 1, 2025, the ATLAS telescope in Río Hurtado, Chile, detected 3I/ATLAS near Jupiter’s orbit with a hyperbolic, interstellar trajectory. 3I/ATLAS is the third interstellar object identified, following 1I/ʻOumuamua in 2017 and 2I/Borisov in 2019. Estimates place 3I/ATLAS at

17 July 2025

Astronomy·Comets·Science News·Space

Interstellar Comet 3I/ATLAS: Origin, Trajectory and Scientific Stakes In 2025’s Third‑Ever Extrasolar Visitor

<li ATLAS imaged the interstellar candidate on 1 July 2025, with precovery back to 14 June 2025, and it was designated C/2025 N1 (ATLAS) and later 3I/ATLAS as the third confirmed interstellar object after Oumuamua and Borisov. <li A JPL

8 July 2025

Astronomy·Comets·Scientific Discoveries·Space Exploration

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

3I/ATLAS (C/2025 N1) is the third identified interstellar object, discovered on 1 July 2025 by the ATLAS telescope in Chile. It is on an extremely hyperbolic trajectory with a velocity of about 68 km/s and will reach perihelion on 29

3 July 2025

Astronomy·Comets

Comets News 3 July 2025 - 19 August 2025

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Interstellar Comet 3I/ATLAS – Third Cosmic Visitor Unveiled, Fast and Enormous

Astronomers Spot a 7-Billion-Year-Old Interstellar Comet – Could It Be the Oldest Ever Seen?

Interstellar Comet 3I/ATLAS: Origin, Trajectory and Scientific Stakes In 2025’s Third‑Ever Extrasolar Visitor

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

Interstellar Comet 3I/ATLAS: Origin, Trajectory and Scientific Stakes In 2025’s Third‑Ever Extrasolar Visitor