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

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

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 ...

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

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 ...

Baba Vanga, the blind Bulgarian mystic who had a series of premonitions about the world, predicted several events for the year 2025. One of them is that aliens will make contact with Earth. Humans ...

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

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic ...

As evidence continues to mount that the mysterious object with interstellar origins currently speeding toward the inner solar ...

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 ...