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

While experts like Avi Loeb have raised intriguing possibilities, NASA confirms the definitive news: 3I/ATLAS poses 'no threat' to Earth.

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...

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

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

As part of the ongoing effort, a NASA-supported team recently published one of the most detailed maps yet of the seafloor.

The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two ...

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

When the balance in reflectivity shifts, “the whole circulation of the climate will shift in order to transport energy from ...

Astronomers using NASA's Swift telescope detected water on interstellar comet 3I/ATLAS in a surprising location. Discover how ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...