A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report. 3I/ATLAS was first identified ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

Here’s what you’ll learn when you read this story: Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

A Harvard physicist has asserted that new images of the Manhattan-sized interstellar object rocketing through our inner solar system back his claim that it’s not a comet — but instead possibly an ...

A mysterious object from outside our solar system—one that a Harvard scientist suggests could be alien technology—is making its way past the sun, and scientists are racing to catch up. Dubbed 3I/ATLAS ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Stars are the fundamental building blocks of our ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar visitor traveling toward the Sun. Several telescopes have since turned their ...