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

NASA/ESA/CSA James Webb Space Telescope's NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) captured amazing ...

Baba Vanga predicted that aliens would make contact with Earth in 2025. A scientist has claimed that the interstellar object 3I/ATLAS moving towards the inner solar system is an alien mothership that ...

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

Baba Vanga predicted alien contact in 2025. Now, an interstellar object, 3I/ATLAS, is raising eyebrows—and fears. Harvard's ...

A Harvard astronomer explained why an unidentified object detected this summer could potentially be an alien spacecraft. Avi ...

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.

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 have uncovered microscopic clues buried deep in the ocean floor that could support a bold theory — a comet ...