The quest for finding more sources of water has led researchers from Northwestern University, Illinois (US) to discover a gigantic reservoir of the life-saving compound that is three times the size of Earth s oceans combined, 700 km beneath the planet s surface in a rock known as ringwoodite
NASA's exoplanet-hunting spacecraft TESS has spotted a 'super-Earth' in the habitable zone of its red dwarf star, with indications it may have Earth-sized company.
The search for aliens continues as scientists discover new planets, but the Zoo Hypothesis suggests that advanced extraterrestrial life may already be aware of Earth and intentionally concealing themselves.