Aliens & UFOs

Do Aliens & UFOs exist? Has man been visited by other races from other worlds? Explore the fascinating evidence for and against the existence of extraterrestrials.

Why a Geomagnetic Storm Makes for Pretty Skies and Tech Scares

Solar Storm + Earth's Magnetic Field = Auroras Galore

88 Constellation Names (and 24 You Can Only See From the Northern Hemisphere)

What Is a White Hole? Does the Cosmic Phenomenon Exist?

10 Best Ideas for Interplanetary Communication

How can the moon generate electricity?

Is an Astronaut Stuck in Space a Rare Occurrence?

What Really Happened to Yuri Gagarin, the First Man in Space?

Apollo 11 One Giant Leap For Mankind

15 Famous Astronauts Who Expanded Our Universe

2023 India Moon Landing Was World's First at Lunar South Pole

Quiz: Apollo 11, the First Moon Landing

The Fastest Fictional Spaceships

10 Fictional Spacecraft We Wish Were Real

How Lunar Rovers Work