Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

Is 3I/ATLAS a once-in-a-century interstellar comet or a genuine signal? We separate verified data from viral claims, quotes from NASA and Harvard.

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

Matt Rogers, dressed as Nigel from “The Devil Wears Prada” for Halloween, joins TODAY’s Jenna Bush Hager and guest co-host Savannah Guthrie to break down the top five things in pop culture, including ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

From the balcony of his family’s downtown London, Ontario apartment, five-year-old Siddharth Patel would spend nights gazing ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

The International Space Station is marking 25 years of nonstop human presence in orbit. Nearly 300 people have lived aboard ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...