Sarah Hoffschwelle Cooper
A space writer who loves exploring the universe not through a telescope, but through words by translating complex science into stories that spark curiosity and wonder.
Latest From Sarah Hoffschwelle Cooper
The Moon
The Moon has fascinated us since ancient times and still holds the record as the only other world humans have stepped on and visited.
Is buying a star legitimate?
A common gift idea for that special astronomy lover in your life is to name a star after them, but can you really buy a star or is this a gimmick?
The Largest Moons in Our Solar System
From Ganymede to Titan: Join us on a celestial journey as we detail the grandeur of the solar system's ten most massive moons.
The Simple Reason Why We Can See The Moon During The Day
The moon may be our near-constant companion in the night sky, but you have also likely spotted it during the daytime. How is this possible?
List of countries with space programs
You might be surprised to learn that there are over 70 space agencies on Earth, 16 of which have launch capabilities or are currently developing launch capabilities.
What countries have been to Mars so far?
From first attempts to recent landings: a comprehensive timeline of countries making their mark on Mars.
Current theories on what could be bigger than the universe
Let’s explore the various theories and current science relating to what is “beyond” or “bigger” than the universe.
Planet Mars
Learn about Mars, our solar system's fourth planet. Learn its unique characteristics, its orbital path, its interesting features, and more.
The Zodiac Constellations
Astrology meets astronomy in this comprehensive guide to the 12 zodiac constellations. Learn their stories and how to find them in the sky above you.
Is there gravity in space?
Is there gravity in space? A factual examination of this universal force beyond our atmosphere.
How long does it take to get to the Sun?
Explore the intricacies of space travel as we delve into the question: How long does it take to reach the Sun?
The Largest Planet in The Universe
Jupiter may be the King of the Planets, but that’s just in our solar system. What’s the biggest planet in the solar system? What do we know about it?
How fast is the Earth moving through space?
The Earth isn't just rotating; it's racing! Dive into the intricacies of how fast we're really moving in the grand expanse of space.
Analog Astronauts
Discover the vital role of analog astronauts as they bridge the gap between Earthly training and celestial ventures.
Astronaut Movies
Explore the thrilling realm of space with our list of astronaut movies. Adventure, drama, and courage beyond Earth – these films offer it all.
Planet Venus
Step into Venus's world, our solar system's second planet. Learn its unique characteristics, its orbital path, its interesting features, and more
What are some of the biggest objects in the universe?
Uncover the vastness of the cosmos: from gargantuan galaxies to superclusters. Embark on a journey through the universe's largest structures.
Meteorite Hunters
Meet the meteorite hunters who have turned their passion for space into a lucrative business. Discover how they travel the world, hunting for valuable space rocks.
Solar vs. Lunar Eclipse
Explore the captivating phenomena of solar and lunar eclipses. Our comprehensive guide compares their unique characteristics, occurrences, and scientific explanations.
Bortle Scale
Discover the Bortle Scale, a comprehensive rating system that measures light pollution levels in our skies.