The marvelous Eise Eisinga Planetarium, the world’s oldest continuously operating planetarium in the world, dating from 1781, in Franeker visited on Day 6 of Boat Bike Tours’ eight-day Islandhopping ...

Every year, ultrarunners sign up to compete in a brutal race that stretches 135 miles across Death Valley in the high heat of summer. Because of its harsh conditions, the Badwater 135 is perhaps the ...

Don't miss the waxing crescent moon shine alongside Spica and the stars of the constellation Virgo in the hours following sunset on July 30.