Space Science

About 120,000 pounds of space dust falls to Earth every day. All of this dust comes from asteroids! Asteroids are chunks of rock and metal that orbit around the sun, but some venture near… More →

What has a nucleus, coma, and two tails? Why, a comet, of course! The wonder and mystery of comets has excited humans for centuries, and they continue to provide valuable information about… More →

Earth is the only home humans have ever known. But there is so much to learn about it! From what the planet is made of to how it likely formed, this informative title will take readers on a… More →

On the darkest of nights, the white sparkle spanning the sky provides a glimpse at the far reaches of the Milky Way galaxy. But there are trillions more just in the observable universe! This… More →

Jupiter is the biggest planet in the solar system! This gas giant is also one of the most fascinating. From its famous Great Red Spot to its dozens of moons, Jupiter holds several mysteries… More →

Journey to the red planet! Given its similarity to Earth, Mars has long fascinated humans. Today, we are closer than ever to unlocking the mysteries of how Mars formed and whether the planet… More →

Mercury is the closest planet to the Sun! It may be small, but it is full of extremes. Temperatures range between -300 and 800 degrees Fahrenheit! As it zooms around the Sun every 88 days,… More →

Ganymede, one of Jupiter’s 53 moons, is the largest moon in the solar system. It is even larger than the planet Mercury! Moons are found throughout the solar system and beyond, circling… More →

Neptune is the outermost planet in the solar system! It may look a calm blue, but this huge planet is swirling with activity. A thick layer of clouds gives way to whirls of rocks and ice.… More →

In 2014, exoplanet Kepler-186f was found in the habitable zone of its system’s star. It is just one of 40 discovered exoplanets providing information about the potential for life outside… More →

In 2006, Pluto was reclassified as a dwarf planet. Small, rocky dwarf planets make their home on the outer edges of the solar system. Scientists use telescopes to study Pluto and the dwarf… More →

If humans ever make it to Saturn, they won’t be able to land on its surface. This enormous planet has no solid ground! Beyond its seven magnificent rings, Saturn swirls with dense clouds of… More →