An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...

After weeks of silence, NASA has officially dismissed speculation that 3I/ATLAS has anything to do with aliens.

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

NASA will reveal new imagery of the interstellar comet 3I/ATLAS on Wednesday (Nov. 19), and you can watch it live. The ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...

NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...