"A good science fiction story should be able to predict not the automobile but the traffic jam." - Frederik Pohl, American science fiction writer If you're a fan of Star Wars, Star Trek, or other outer space-themed science fiction stories, you well know the dangers of landing on an alien world... Read more
Have you ever seen a solar eclipse? In the middle of the day, a shadow passes over the sun, the air cools, and it grows dark as if night is falling... Read more
That's not the sky falling - it's a shooting star! Are you an avid stargazer, or are you learning about the solar system in school? Whether as a school science project or just for fun, you can learn how to draw a meteor... Read more
The solar system is our neighborhood in outer space. It consists of our star, the Sun; eight planets; five dwarf planets; hundreds of moons; and thousands of asteroids... Read more
Would you like to draw an astronaut? You can use this easy drawing tutorial to learn how to draw an astronaut helmet. Astronauts in spacesuits have become an indelible part of our popular culture. The spacesuits were first invented during the mid-1900s when NASA and other organizations began missions to space. They were based on suits used in deep-sea diving... Read more
The sun and moon have featured in art throughout human history. In many cultures, these celestial objects were deified and worshiped as powerful gods and goddesses. This concept was later adapted to Catholic iconography, with the pope being represented by the sun and the moon representing secular governments... Read more
A comet is an object made of rock and ice that orbits the Sun. When the comet's orbit brings it close to the Sun, it undergoes a process known as sublimation - its particles go directly from the solid state to a gaseous state, creating a magnificent tail... Read more
The telescope is an instrument which allows a person to see great distances, even into outer space. The word "telescope" actually means "far-seeing."... Read more
In our solar system, Mars is the fourth planet from the sun. It is, in many ways, similar to our own planet. Mars has clouds, wind, ice caps, canyons, volcanoes, and 24-hour days. One year on Mars lasts about 687 Earth days, twice the length of our own year. Because water (in the form of ice) is present on Mars, it is considered the most likely candidate for hosting life - human or indigenous - beyond the earth... Read more
A UFO or unidentified flying object is "any aerial object or optical phenomenon not readily identifiable to the observer." The first UFO sighting of a "flying saucer" occurred in 1947, when a pilot reported several fast-moving objects. He described them as moving "like saucers skipping on water," and thus the flying saucer was born... Read more
