The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.
The interstellar visitor appears to have a lot in common with its solar system brethren.
The interstellar comet 3I/ATLAS will zoom past Mars in October 2025, and ESA's Mars orbiters will attempt to image and analyze the object during the encounter.
"Once these objects get too faint to see, they will never be seen again,"
While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers determined that the comet's water is strikingly similar to the water on Earth.
While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers determined that the comet's water is strikingly similar to the water on Earth.
While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers determined that the comet's water is strikingly similar to the water on Earth.
New Hubble Telescope imagery of the interstellar interloper comet 3I/ATLAS reveals a dusty coma and the beginning of a tail.
A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense".
Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.