A new clue that the interstellar object is not natural has emerged in images taken by a NASA telescope.

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star.

The Hubble Space Telescope has captured detailed images of comet 3I-Atlas, an interstellar object passing through our solar ...

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

A team of astronomers has taken the sharpest-ever picture of the unexpected interstellar comet 3I/ATLAS using the crisp ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

Yet NASA - and other experts - do not share his concerns and maintain 3I/ATLAS is simply an interstellar comet, thought to be around 7 miles (11.2 kilometers) wide. The US space agency has been ...

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Harvard astronomer and alien hunter Avi Loeb is still holding onto hope that interstellar object 3I/ATLAS was sent to us by ...

From tracking a rare interstellar visitor to revealing hidden star systems, the SETI Institute is at the forefront of space science. Explore four recent stories showcasing our role in groundbreaking ...

This score means that it’s likely to have been engineered instead of being a naturally occurring force.