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

The plot of the movie Independence Day could soon become reality—as early as this November. According to Harvard astronomer ...

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

The scientific community is embroiled in a heated debate over the origin of a mysterious interstellar object that entered our ...

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 ...

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.

Does the scientific community as a whole share the notion that a newly discovered interstellar object 3I/ATLAS is an alien ...