20,000 pieces of space debris are floating around earth — here's what that...
When rockets or satellites are launched into space, the entire thing doesn't usually end up there. On the way, parts are either jettisoned or they simply fall off.According to NASA, about 500,000 such...
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Here are all the ways you can get to space without being an astronaut
People have been vacationing in space for 15 years.The first non-astronaut to visit the International Space Station was businessman Dennis Tito in 2001, who paid a hefty $20 million ticket price.But...
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10 undeniable reasons why the Earth is round, not flat
Humanity has known the Earth to be round for a few millennia and I’ve been meaning to show some of the methods of how we figured out the world is not flat. I’ve had a few ideas on how to do that, but I...
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Salt shakers are a 'disaster' in space — here's how astronauts zest up their...
We may think of astronauts as robust, all-powerful supermen who can survive in the most severe conditions — even living in a tin can in the vast vacuum of space.But they're human. And they need to eat....
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Here's how long it would take to visit the closest star in our galaxy
We’ve all asked this question at some point in our lives: How long would it take to travel to the stars? Could it be within a person’s own lifetime, and could this kind of travel become the norm some...
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McCain assails the Pentagon for relying on Russian rocket engines to launch...
The chairman of the Senate Armed Services Committee is assailing the Defense Department for relying on Russian rocket engines to launch American military satellites into space.At a committee hearing...
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Astronauts always fold their arms in space — but it’s not to look cool
Scott Kelly is a cool guy. In addition to being, you know, an astronaut, he's also the first American to live in space continuously for an entire year. He just surpassed his 300th day up there.He also...
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President Reagan gave this remarkably wise speech the day of the Challenger...
When President Ronald Reagan heard about the Challenger explosion the morning of January 28, 1986, he was preparing to give the State of the Union address that very night.He postponed the speech for...
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France just announced plans to help India land on Mars for the first time
On Monday, the space agencies of India and France signed a letter of intent stating that the two will collaborate on India's next mission to Mars, SpaceNews reported.This mission, which is scheduled to...
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The largest solar system ever discovered has a planet that's 140 times...
Scientists used to suspect a giant planet named "2MASS J2126-8140" was a rogue world, wandering the galaxy without a star to orbit. But it turns out the planet isn't homeless after all: its star is...
View ArticleThese giant comets could be on a collision course with Earth
Astronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earth's surface. Produced by Justin Gmoser and Jessica Orwig. Follow...
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What the Challenger disaster meant for our race to space
It was one of those moments you’ll never forget.Thirty years ago, the Challenger space shuttle exploded 73 seconds after launch.In an instant, a dream became a tragedy – and all because a small, simple...
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Big Bird almost rode the Challenger space shuttle — but his costume saved him
Big Bird could have been on the Challenger space shuttle when it exploded on January, 28 1986.One of the reasons why he wasn't? His costume was too big.Caroll Spinney has played the beloved Sesame...
View ArticleThe most difficult space mission in history is coming
Landing humans on the surface of Mars will take technology that hasn't even been developed, yet. It will be unlike any space mission we've ever seen and by far the most difficult in history.Produced by...
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One of the most tragic space disasters in history helped spawn 2 innovative...
The morning of January 28, 1986 was cold. So cold that icicles formed a freezing ring around the space shuttle Challenger's launch pad at the Kennedy Space Center in Cape Canaveral, Florida. After some...
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We might be living in a dead Milky Way galaxy, but just don't know it yet
Like a zombie, the Milky Way galaxy may already be dead but it still keeps going.Our galactic neighbor Andromeda almost certainly expired a few billion years ago, but only recently started showing...
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Scientists are ramping up the tools we'll need to answer one of humanity's...
Aliens could be out there. We simply don't know it yet.Part of the reason we're still pretty clueless is because our technology is still in its infancy.But scientists and engineers are rapidly ramping...
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The US Air Force is threatening to cancel its annual $800 million contract...
One of SpaceX's competitors made a risky move last year that could now cost it a multi-billion dollar contract with the US Air Force.At a Senate Armed Services Committee hearing on Wednesday, Air Force...
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Watch this epic mash-up video of every space shuttle ever launched —...
While the Apollo missions are the most famous, the Space Transportation System (STS) shuttle program was the most productive in NASA's history. From 1980 to 2011, NASA launched 135 missions. Over 350...
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The strange shapes on these ancient tablets reveal something startling about...
The ancient Babylonians used geometry to calculate the position of Jupiter 1,400 years before scholars in Europe were believed to have come up with the technique. The discovery is the earliest ever...
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