Space
Explore the vast reaches of space and mankind's continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
The Zoo Hypothesis: Are Aliens Watching Us Like Animals in a Zoo?
Communicating With Aliens Is Hard. Communicating With Alien AI Could Be Harder
UFOs and the Government
What's the Brightest Star in the Sky? Depends on the Season
The Largest Star in the Universe Is 1,700x Bigger Than Our Sun
What Is a Harvest Moon?
What Is a White Hole? Does the Cosmic Phenomenon Exist?
10 Best Ideas for Interplanetary Communication
How can the moon generate electricity?
What Really Happened to Yuri Gagarin, the First Man in Space?
Apollo 11 One Giant Leap For Mankind
What is it like to sleep in space?
2023 India Moon Landing Was World's First at Lunar South Pole
Quiz: Apollo 11, the First Moon Landing
Who was James Webb?
The Fastest Fictional Spaceships
10 Fictional Spacecraft We Wish Were Real
How Lunar Rovers Work
Learn More / Page 13
In 2022, the full moon, called the hunter's moon, will occur Oct. 9. Why is it called that and when can you see it?
UFOs and UAPs both refer to unidentified objects in the sky, but scientists prefer the term UAP. And that's because when we hear UFO, we automatically assume aliens.
The two passengers might not be human, but they have a job to do. They're manning Artemis I to be zero gravity indicators.
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The August 2023 full moon is known as the sturgeon moon. This year, it's also a supermoon and will be followed by a blue moon at the end of the month!
Many people dream of climbing Mount Everest, but what if you could scale the highest mountain in the solar system? That one is more than twice as tall as Everest! So, where is it?
If you imagine the eight major planets in a single line stretching out from the sun, this alignment occurs roughly every 13.4 trillion years. And our solar system is 4.5 billion years old.
Aldebaran is not just the brightest star in the constellation Taurus, it's also the 14th brightest star in the sky.
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Sonification is the process of taking data and turning it into sound. When it come to the universe we live in, scientists are finding that the sounds are definitely otherwordly and very beautiful.
University of Florida scientists used lunar soil collected during Apollo 11, 12 and 17 missions to successfully grow plants from seed. It's a first in human history and could help future space colonists grow food on the moon.
The Tau Herculids meteor shower was made of debris from the broken comet SW3 and produced a lot of shooting stars, but not quite the meteor shower that was hoped for.
Surprisingly, the solar system isn't odorless - it has a distinct scent that some astronauts like and others think is stinky. So, what does it smell like and why?
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Do you love looking at beautiful pictures of the night sky? How do space photographers get those shots? And could you join their ranks?
And this month's buck moon is extra-special because it is a supermoon!
Some scientists think the existence of plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth?
By Mark Mancini
Once upon a time, the sun caught an interstellar orphan and adopted it as its own. It's named 2015 BZ 509.
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To define the location of objects in the sky, astronomers utilize a system of celestial coordinates, which extends latitude and longitude from Earth's surface into space.
Yep, 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant like Jupiter.
The little flies have way more in common with us than you think. And it made them the perfect test animal to send to space.
By Mark Mancini
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NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.
By Mark Mancini
In this stellar nursery, firstborn stars are ruthless.
No worries though. Jupiter, Neptune or Uranus could create their own beautiful, bright ring display in the distant future.
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By studying these geological formations here on Earth, we may be able to learn how to live on other planets.
Every April, the Lyrid meteor shower fills the sky with shooting stars. Here's how to see them in 2023.
By Mark Mancini