Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

So how did our planet end up with such a special moon? The answer is that, surprisingly enough, the moon is a piece of our ...

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

These unusual ideas included a deep pit under the planet and a top-secret military base that had ... These trees are dark green, but in such a high concentration, they look much darker from low Earth ...

A mysterious 'black hole' spotted in the middle of nowhere on the Earth's surface by satellites ... dark triangle in the South Pacific does look strange, no doubt, with many thinking it had ...

A recent paper suggests that if astrobiologists want to make an educated guess about what life on Venus might look like, they ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

Imagine a healthy planet with healthy humans living on it: the world has embarked on a path to clean energy, clean air and fresh water; we are feeding ourselves without compromising land or sea ...

Strange structure in the middle of the Pacific Ocean sparked many a conspiracy theory - but the truth is even stranger ...