We explore 15 places on Earth that look quite alien. From ice caves to Martian-red deserts, discover some of the most surreal places Earth has to offer.
Reference New exoplanet discoveries have changed what we understand about the universe and now astronomers are finding alien worlds all the time.
Reference Explore our 25 weird solar system facts and see how our neighborhood is stranger than we could ever imagine.
Reference What are the greatest spaceships of science fiction? From the Millennium Falcon to Dr Who's Tardis, here's the rundown of our favorites.
This guide will tell you the best times to see Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune in 2022, and clue you in about planetary meetups, conjunctions and more.
Earth impact craters are unique tourist destinations. Here are some striking craters you can visit in person or from the comfort of your home with Google Earth.
With a number of upcoming Star Wars TV shows heading your way soon, the Force will be with you. Always.
Some of the most fascinating worlds in our cosmic neighborhood are not planets, but the moons that orbit around them.
The Mercury program launched the first Americans into space, four on suborbital flights, and two who orbited the Earth.