Sep 4, 2025 by News Staff

Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope at NSF’s International Gemini Observatory in the Chilean Andes, astronomers...

Sep 4, 2025 by News Staff

Planetary researchers at Southwest Research Institute has completed a study detailing how a proposed spacecraft could fly by an interstellar comet, providing...

Aug 7, 2025 by News Staff

According to an analysis of the new images from the NASA/ESA Hubble Space Telescope, the nucleus of 3I/ATLAS is between 320 m (1,000 feet) and 5.6 km (3.5...

Jul 16, 2025 by News Staff

Astronomers using the Gemini North telescope at NSF’s International Gemini Observatory have captured 3I/ATLAS as it makes its temporary passage through...

Jul 11, 2025 by News Staff

3I/ATLAS — the second interstellar comet ever spotted in our cosmic neighborhood — may predate our Solar System by more than 3 billion years,...

Jul 8, 2025 by Natali Anderson

Astronomers using ESO’s Very Large Telescope (VLT) have captured new images of 3I/ATLAS, the third interstellar object ever observed. This VLT/FORS2...

Jul 4, 2025 by News Staff

3I/ATLAS is only the third object of its kind ever observed, following the interstellar asteroid 1I/ʻOumuamua in 2017 and the interstellar comet 2I/Borisov...

Jul 3, 2025 by News Staff

After the interstellar asteroid 1I/ʻOumuamua and the interstellar comet 2I/Borisov, 3I/ATLAS is the third object and the second comet from outside the...

Mar 23, 2023 by News Staff

The previously unreconciled acceleration of 1I/2017 U1 ‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS...

Oct 1, 2021 by News Staff

Dr. Manasvi Lingam from the Department of Aerospace, Physics and Space Sciences at the Florida Institute of Technology and Professor Avi Loeb of Harvard...

Aug 24, 2021 by News Staff

The recent detection of 2I/Borisov, the first known interstellar comet to visit our Solar System, implies that interstellar objects outnumber the non-interstellar...

Jul 28, 2021 by News Staff

An international team of astrophysicists has announced a new scientific project to search for evidence of potential astro-archeological artifacts or active...

May 19, 2021 by Natali Anderson

Using spectroscopic observations from ESO’s Very Large Telescope, a duo of astronomers from Poland has detected atomic nickel vapor in the cold coma...

Mar 31, 2021 by News Staff

Two teams of astronomers have performed polarimetric observations of 2I/Borisov, the first active extrasolar comet ever detected in our Solar System, using...

Mar 18, 2021 by News Staff

1I/‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS 1 telescope, was small, about half as long as a...

Jan 18, 2021 by Natali Anderson

Professor Abraham (Avi) Loeb of Harvard University believes that 1I/2017 U1 ‘Oumuamua, a fast moving, cigar-shaped object of extrasolar origin discovered...

Aug 18, 2020 by News Staff

‘Oumuamua, a recently-discovered cigar-shaped object of extrasolar origin, is not made of molecular hydrogen ice after all, according to a new study...

May 31, 2020 by Enrico de Lazaro

In a paper to be published in the Astrophysical Journal Letters, astronomers from the University of Chicago and Yale University show that the odd properties...

May 6, 2020 by News Staff

Astronomers using NASA’s Neil Gehrels Swift Observatory have tracked water loss from 2I/Borisov, the first known interstellar comet to visit our Solar...

Apr 21, 2020 by News Staff

Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary...