Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in ...

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...

NASA said the comet will pass slightly inside Mars’ orbit when it reaches this point, around October 30, 2025, at a distance of about 1.4 AU, or approximately 130 million miles. | World News ...

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

I/ATLAS isn't 'behind the Sun', explains Dr. Brandenburg. Learn why observers were fooled and how its solar pass tests Avi Loeb's 'alien mothership' theories.

Interstellar object 3I/ATLAS is reaching its closest point to the Sun, a rare perihelion event triggering significant ...

As the government shutdown drags on, scientists and advocates remain focused on the long-term effects of proposed budget cuts ...

Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

NASA and the European Space Agency are tracking the 3I/ATLAS interstellar object as it travels past Mars on its way toward the Sun and through the solar system.

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS, were captured by two of the the European Space Agency's Mars orbiters -- ...