Take a peek at the sky tonight and you’ll see a full moon.  A full moon is when the moon and the sun are opposite of each other from an earth perspective.

The waning gibbous moon passes just north of Uranus in the constellation Pisces. The moon will occult Uranus as seen from eastern Canada, Greenland, and northern Siberia.

The waning last quarter moon will pass just north of the bright star Aldebaran in the constellation Taurus.

More info here.

World Water Monitoring Day was established in 2003 by America’s Clean Water Foundation as a global educational outreach program that aims to build public awareness and involvement in protecting water resources around the world by empowering[...]

Clean Up the World is a community-based, environmental campaign that inspires and empowers communities around the globe to clean up, fix up and conserve their environment.  Participate in an event in your community or start one[...]

In 2014, the whole wide world is going back to square one – for a day. On September 21st everyone can take a break, and give the world a break.  Read some tips on being[...]

The planet Mercury will pass close to the bright star Spica in Virgo. This is a particularly good apparition of Mercury for observers in the Southern Hemisphere, less so for northerners.

Car-free day encourages motorists to refrain from using their car for a day.  Most cities have their own websites for car-free day – here is one for the world.

The sun crosses the celestial equator moving southward. Day and Night are of equal length. The sun rises due east and sets due west everywhere on Earth. This is the autumnal equinox in the Northern[...]

World Environmental Health Day addresses environmental health inequalities. While environmental health may be concerned primarily with the impacts of environmental stressors on health, these in turn are heavily influenced by and frequently reflect economic and social[...]

The moon passes just south of the dwarf planet Ceres in the constellation Libra.

The moon passes just north of the Saturn in the constellation Libra.

World Rivers Day is a global celebration of the world’s waterways. WRD highlights the importance and value of rivers and strives to encourage increased stewardship of the world’s rivers. Go out there and adopt a[...]

The moon passes just south of the asteroid Vesta in the constellation Libra.

The shadows of Europa and Callisto cross the face of Jupiter simultaneously, best seen from India and central Asia.