There are billions of exoplanets in the Milky Way galaxy, but how many of those are potentially habitable?
The study suggests that we should start investigating worlds larger than the Earth whose atmospheres are dominated by hydrogen
Tantalising "signal" appears to have come from Proxima Centauri, the closest star to the sun
This discovery isn't just changing our understanding of life on Earth it could also affect the search for extraterrestrial life
Not ready? Not ready for what??
Spiral light reveals living creatures
The FAST team were studying a fast radio burst source known as FRB121102, first spotted in 2015
How easy to find are we?
It’s a dilemma: scientists might look like cranks for posing questions about aliens, but we’ll also never know unless someone asks