Why Some Scientists Predict Comets Might End The World
Earth's lifetime is not infinite, as the Blue Marble will eventually be swallowed up by the Sun millions of years into the future. If we make it that long.
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The Theoretical Suns With Black Holes Inside
The origins of the universe inspire numerous theories -- some mythological, some scientific. From the latter we have the idea of suns that contain black holes.
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What An Asteroid Strike Would Really Do To Earth
The chances of an asteroid hitting Earth are very, very small. But if it did happen again, here's what an asteroid strike would really do to Earth.
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What Is A Lunar Eclipse?
What even is a lunar eclipse? Is it the same thing as a blood moon? Is it just a solar eclipse at night?
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The Surprising Reason People Could Age Slower In Space
While their delivery is often used to determine which is "older," identical twins age at exactly the same rate on account of coming from the same egg.
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The Bizarre Sound Black Holes Make When They Collide
Black holes are a recognizable cosmic phenomenon, partially because it's easy to envision a giant space "hole" around which things swirl like a drain.
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The Truth Behind The Time Russia Tried To Steal The Space Shuttle
Soviet officials deeply wanted to affect the appearance of technological parity — both for international optics and over fears of the shuttle's capabilities.
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The Truth Behind The Giant Cloud Of Alcohol In Space
A region known as W3(OH) is a cloud only 6,500 light-years away from Earth that is almost entirely made out of methyl alcohol.
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How Would Doctors Perform Surgery In Space?
It would take at least 150 days to get to Mars with current astronautical equipment. So what happens if you get a blood clot?
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Who Is The Oldest Person To Go To Space?
Blue Origins is Jeff Bezo's pet project that takes private citizens into space, and so far, the trips have broken two world records for oldest person in space.
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Why The First American In Space Was Nearly Expelled From Flight School
The first American in space was part of the first astronaut class that NASA chose, but was nearly kicked out of flight school for various reasons.
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Why A Treadmill Named After Stephen Colbert Was Sent To Space
In 2009, The Guardian reported that NASA ran a contest asking what they should name a new room in the International Space Station. Enter Colbert Nation.
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The Truth About The Woman Who Discovered The Milky Way's Structure
While staring at the spirals of the cosmic ceiling, astrophysicist Heidi Newberg noticed a dense cluster of stars on the edge of the Milky Way.
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Why People Believed The World Would End After Halley's Comet Arrived In 1910
In 1910, the arrival of Halley's Comet evoked fear of a world-ending event. From February to its passing in May, people across the world held their breath.
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Rules Astronauts Have To Follow Every Mission
Being an astronaut is very grueling, with a lot of requirements that would give anyone who is not 100% dedicated a reason to reconsider.
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The One Object In Our Solar System That Has Been Both A Planet And An Asteroid
Most of the time, planets, asteroids, and other celestial objects are all properly classified, but there are times that things can change.
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Comets Are A Lot More Common Than You Think
Of all the sights in the night sky, comets are perhaps the most spectacular. But just how common are they? Read on to find out.
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Has Anyone Had Sex In Space?
When it comes to sending humans into space, scientists must take into account a variety of natural human functions and how to deal with them.
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The Truth About The Wandering Black Holes In Space
The relationship between a black hole and surrounding matter is in many ways a parallel of how moons, planets, and stars orbit one another in a solar system.
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Will The Milky Way Galaxy Last Forever?
It will be many more tens of billions of years until every last star in the universe winks out, and our own Milky Way becomes nothing but a black panorama.
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How The Challenger Space Shuttle Explosion Could've Been Avoided
Seventy-three seconds after liftoff, the space shuttle Challenger was engulfed in flames. Seven astronauts were on board; none of them survived.
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The Surprising Thing That Makes Venus Different From All Other Planets
The reality, of course, is that Venus is a white-hot wasteland of noxious gases, according to NASA, and as such, is completely inhospitable to probes.
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Here's How Much The Milky Way Weighs
The Milky Way is home to countless gasses, planets, stars, and even a jaw-dropping 5,000 solar systems. But as a world of its own, how much does it weigh?
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Why Do Astronauts Grow Taller In Space?
NASA's Twins Study demonstrated the resilience and robustness of how a human body can adapt to a multitude of changes induced by a spaceflight environment.
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What Would've Happened If The Soviet Union Had Won The Space Race?
As the Cold War sprouted after World War II, so did the space race, a scientific competition between the United States and the Soviet Union.
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Here's What Happens When You Shower In Space
In space, there is no drain and there is only microgravity, so water, soap, and shampoo stick to your skin and/or float around and ruin sensitive equipment.
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Technology We Wouldn't Have Without The Space Race
NASA doesn't just design space suits and space shuttles to get men on the moon and into space. There are other technologies NASA has developed or perfected.
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