Over the past few decades, from the point of view around the Solar System, we now know thousands of planets outside the solar system.
NASA's Kepler planet-hunting telescope has discovered more than 2,300 extrasolar planets in the universe ever.
EPIC 228813918 b planet revolves around an M-type dwarf named EPIC 228813918. With time to complete an orbit of less than 4.5 hours.
American space experts say it is time for people to actively communicate with aliens, not just receiving signs of extraterrestrial life.
Scientists have for the first time estimated the number of planets in our galaxy and published huge numbers: There are at least 50 billion planets in the Milky Way.