Keck II telescope observations of interstellar object 3I/ATLAS found "evidence for a puzzling anti-tail extension" pointing ...

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 ...

Our solar system just got another guest from the galaxy. Find out how scientists spotted this third interstellar object, what they’re learning about it, and why it might be our best chance yet to ...

It's probably a comet, but it might be some sort of ancient alien spacecraft or probe. What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and ...

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...

After decades of exploring, NASA's Voyager 1 hit the edge of the solar system and passed through a great "wall of fire," ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

A mysterious object hurtling through space has been identified as a rare “interstellar object,” only the third of its kind ever seen. In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last ...

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...