The telescope is part of a cluster of four observatories that include two in Hawaii and one in South Africa, whose job is to do exactly what the Chile telescope did: scan the skies for interstellar ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

Scientists are expected to discuss fresh data on the comet's composition, trajectory, and potential insight into materials from beyond the solar system.

NASA aimed to set the record straight on the nature of the 3I/ATLAS during a press conference held on Wednesday evening. The interstellar object has fascinated experts and everyday space enthusiasts ...

NASA releases unseen 3I/ATLAS images following the US government shutdown. Discover why this ancient interstellar visitor is older than our sun.

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as U.S. space agency officials ...

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an alien ...

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...

The US space agency called the interstellar object a "friendly solar system visitor," but said it was not alien.