Anyone familiar with the search for alien life will have heard of the "Goldilocks Zone" around a star. This is defined as the orbital band where the temperature is just right for liquid water to pool ...

Expedition imagines what humans might encounter when exploring an alien world. In this video we dive into the planet’s ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Life needs nutrients like nitrogen and phosphorus. But without the right balance of oxygen, these elements get locked away in planets’ cores.

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

NASA's Mars Curiosity rover has been exploring a curious geological formation made up of ridges that look like spiderwebs from space.

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Tardigrades, a type of microscopic animal, in can reveal information about how life interacts with simulated Martian mineral ...

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...