Shooting Star Alert: Perseids Peaks August 11-12

This year, astronomers are predicting that the Perseids meteor shower will be extra spectacular, with up to 200 meteors per hour lighting up the night sky. Full Story

12AUG

International Youth Day

Friday, August 12, 2016

The United Nations’ (UN) International Youth Day is celebrated on August 12 each year to recognize efforts of the world’s youth in enhancing global society. Full Story

31DEC

Leap Second 2016 to Be Added New Year's Eve

Saturday, December 31, 2016

A leap second will be added on December 31, 2016 to synchronize our clocks with the slowing rotation of the Earth. Full Story

June 2016: See 3 Bright Planets in the Night Sky

Use our brand-new Night Sky service to find out when and where to see Mars, Jupiter, and Saturn from your location.

New Interactive Sun Graph

See how the amount of daylight you get in your city changes throughout the year. Read more