Experts say that although water is a key ingredient to life, too much of it may also hinder the complex evolution of life forms in exoplanets.
There are four theories about Proxima B, the potentially habitable planet and that three of those theories suggest that there could be large oceans in the exoplanet.
A tiny and inexpensive telescope will try to find Earth-like exoplanets in Alpha Centauri.
The search for the next habitable planet continues, and NASA will stop at nothing to find Earth 2.0. However, one NASA director claims the search will be over in the next decade. Are scientists at the space agency close to finding it?