Scientists, including one of Indian origin, have identified 20 potentially habitable Earth-like rocky planets from a trove of over 4,000 exoplanets discovered by Nasa’s Kepler mission till date.

The current parade of planets, mistakenly called a planetary alignment by some, in the night sky shortly after sunset has been calculated as a few-times-a-century phenomenon by scientists. According ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...