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?
Quiz: Apollo 11, the First Moon Landing
Who was James Webb?
10 Space Landmarks We'd Like to Visit
The Fastest Fictional Spaceships
10 Fictional Spacecraft We Wish Were Real
How Lunar Rovers Work
Learn More / Page 9
The moon has seen a lot in its 4.5 million years of life, and this detailed geologic map serves as testament.
A new kind of survival story: Scientists discovered a star that came near a black hole and lived to tell the tale - at least temporarily.
For the first time since 2011, NASA will launch astronauts into space from U.S. soil. It will also be the first time ever a private company will get them there.
By Mark Mancini
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In 1953, CalTech geochemist Clair Patterson came up with an estimate for Earth's age that still holds today.
Astronomers used Hubble's full range of imaging to dissect wild 'fireworks' happening in two nearby young planetary nebulas.
NASA and other agencies have been studying artificial gravity in hopes they will someday use it to help astronauts combat the effects of weightlessness in space. How close are we to that reality?
For decades Bob Lazar talked about a mysterious element 115 that could power alien spacecraft. People thought he was nuts, but scientists discovered element 115 in 2003. What can that element do?
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Star-gazers gasped when they saw how much Betelgeuse dimmed in 2019 and the reason wasn't clear. Even though it's back up to full strength, how long will it be before it explodes? We haven't seen a supernova in over 400 years.
Even if you've never looked through a telescope, you've probably seen Vega, one of the brightest stars in our galaxy. In fact, thousands of years ago, Vega was our North Pole star, and will be again in the future.
A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.
You might call it a Christmas miracle. Jupiter and Saturn will align so closely they may look like a double planet. The last time we saw this was in 1226.
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The Quadrantids are a short but powerful meteor shower that shows up in early January. How can you glimpse it?
A magnetar is a neutron star with a super-strong magnetic field. Astronomers consider them among the scariest objects in the universe, but why?
Arcturus is 113 times brighter than our sun, even though it's only a little bigger. What else should we know about this red giant?
Showering every day is likely something you take for granted. But for astronauts on the International Space Station, it's not an easy task.
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Surely you've watched tons of sunsets in your lifetime. But have you ever seen the sunset and the moonrise simultaneously? Is that even possible?
Humans have made it to the moon a number of times so we know how long the journey should take.
Missions to Mars are increasing and the dream of landing a human on the red planet is no longer far-fetched - it might even happen in the next decade. So, how long does it take to get there?
Whether or not we are alone in the universe is one of life's greatest mysteries. On Earth we find ourselves in the "Goldilocks Zone,†which means that conditions are just right for hosting life, but we have discovered other Earth-like planets deep in space, as well as planets that are thought to have water (which […] The post 10 Reasons That Aliens Probably Exist appeared first on Goliath.
By Jonny Hughes
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From time to time, we all gaze up at the stars and wonder about outer space. It can be an incredibly mind-blowing, beautiful, fascinating, exciting and even scary place to think about, as it is so incomprehensibly vast and unexplored and it contains so many secrets. We seemingly discover new things about outer space each […] The post 8 Mind-Bending Facts About Outer Space appeared first on Goliath.
By Jonny Hughes
History doesn't believe or disbelieve in UFOs. There are a handful of UFO sightings documented by Roman historians from around 2,000 years ago, but they seem about as credible as the existence of Zeus. More than 95 percent of all UFO sightings can be easily dismissed as military aircraft, stars, planets, meteors, flares, weather balloons […] The post The 10 Most Legitimate Cases of U.F.O. Sightings appeared first on Goliath.
By Kevin Saltarelli
Blood moons always bring out the stargazers though they aren't that rare. So what makes blood moons red? And do they differ from lunar eclipses?
When December's moongazing rolls around, you'll want to take a look at the cold moon, an appropriate moniker if there ever was one.
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This doughnut-shaped ring around the sun is home to millions of comets, moons, dwarf planets and other celestial objects. What are these objects doing in the Kuiper belt?
Head's up, stargazers! Mark your calendars for the 22 must-see events this year.