Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally ...

When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even better chance of finding extraterrestrial organisms. Orbiting Saturn is a ...

Extraterrestrial organisms that use infrared radiation are capable of leaving a unique light trail on other planets.

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...