A mysterious radio signal from a distant planet has sparked excitement among astronomers, hinting at the tantalizing ...

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

Finding life in outer space is one of the great endeavors of humankind. One approach is to find motile microorganisms that ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

In February 1995, a small research organization known as the SETI Institute launched what was then the most comprehensive ...

Scientists say the new test is a "cheaper and faster" way than previously employed. The post New simple test could help ...

Scientists studying Saturn's icy moon, Enceladus, have discovered that its ocean forms layers that slow the upward movement ...

Their research reveals which Earthly 'technosignatures' would be easiest to detect from a planet across the galaxy.

Chemical traces and microbes could break down or transform as they rise, making them unrecognizable by the time they reach ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...