Planets

A triple conjunction between two planets and a crescent moon has the appearance of a smiley face in the sky. (Image credit: Jackyenjoyphotography via Getty Images)
Science

For the stargazers: How 2 planets will form 'smiley face' with moon on 25 April 

Scientists find two more planets like Earth
Videos

Scientists find two more planets like Earth

Photo: Collected
World+Biz

Four planets line up for celestial event today; This is how you spot them

The multiplanetary system of newly discovered super-Earths orbiting nearby red dwarf star Gliese 887 is seen in this artist's impression. Mark Garlick/Handout via Reuters
Science

Planets around nearby star are intriguing candidates for extraterrestrial life

Water found on alien worlds, extraterrestrial life a possibility
Science

Water found on alien worlds, extraterrestrial life a possibility