So far, the answer is no. Scientists have not verified an alien organism, spacecraft, manufactured extraterrestrial object or biological sample on Earth. NASA says it has found no credible evidence of ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

Physicist Brian Cox explores where scientists might discover extraterrestrial life, focusing on Mars, Jupiter's moon Europa, ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

It's a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more than 6,000 planets beyond our solar system and are searching the atmospheres ...

What if life on Earth began in outer space? Millions of people accept the theory that intelligent life forms visited Earth thousands of years ago and were worshipped as gods by primitive man. Are ...