A rare celestial event is on the horizon, as three planets will align in the night sky, creating the illusion of a "smiley ...

Venus, Saturn, and the moon are going to create a literal smiley face in the sky that cannot be missed on April 25.

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...