Optimistic Nihilism
Adults Space
The philosophy of Kurzgesagt.
Decoding the ancient astronomy of Stonehenge
Adults Space
The solstice alignments of Stonehenge, explained.
This Is Not What Space Looks Like
Adults Space
Amazing images of the far reaches of the universe are everywhere, but are they accurate? What does space really look like?
NASA Is Going to the Sun! But How...and Why?
Adults Space
In 2018, NASA will launch a solar probe that will travel closer to the sun than any spacecraft before. But why? What are they looking for?
Amazing Images of a Changing Earth
Adults Space
Incredible before-and-after satellite images of our dynamic planet.
The Beginning of Everything -- The Big Bang
Adults Space
How did everything get started? Has the universe a beginning or was it here since forever? Well, evidence suggests that there was indeed a starting point to this universe we are part of right now. But how can this be? How can something come from nothing? And what about time? We don't have all the answers yet so let's talk about what we know.
Are You Alone? (In The Universe)
Adults Space
Are you alone? To answer this question we have to take a look what "you" are first. What are you made of and where you stand in this universe. Are you your body? Your atoms? And how are your parts connected to the big picture?
We Found New Planets. No, You Can't Live There
Adults Space
Everyone is freaking out about the discovery of 7 new potentially-habitable exoplanets, but is Trappist-1 really as good as it sounds?
The Crazy Way Scientists Launch Rockets From Balloons
Adults Space
Large chemical rockets are needed to launch payloads into space from the ground, but could rockoons, rocket balloons, be a more efficient alternative?
Ocean Volcanoes May Hold Clues To Alien Life
Adults Space
Scientists think studying 'extremophiles' in toxic hydrothermal vents could teach us about potential extraterrestrial life.
Breaking News: NASA Discovers Seven New Planets
Adults Space
*BREAKING NEWS* NASA has just discovered 7 Earth-like planets!
Images of Our Changing Earth
Adults Space
Amazing before and after satellite images taken from the International Space Station show how quickly our dynamic, but fragile planet can change.
Why Earth Is A Prison and How To Escape It
Adults Space
We are trapped on earth. Controlled by an ancient debt to the universe...
Death From Space
Adults Space
There are cosmic snipers firing at random into the unvierse. What are they and what happens if they hit us?
Is It Okay to Touch Mars?
Adults Space
What exactly makes a journey to Mars so perilous? Is it okay to touch Martian dirt with your bare hands?
Welding in Space
Adults Space
In space, metals can weld together without heat or melting.
Could we survive prolonged space travel? - Lisa Nip
Adults Space
Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutations.
The Twins Paradox Primer
Adults Space
How can time be slower and faster at the same time?
One Year on Earth
Adults Space
On July 20, 2015, NASA released to the world the first image of the sunlit side of Earth captured by the space agency's EPIC camera on NOAA's DSCOVR satellite. The camera has now recorded a full year of life on Earth from its orbit at Lagrange point 1, approximately 1 million miles from Earth, where it is balanced between the gravity of our home planet and the sun.
Black Hole Comparison
Adults Space
This Crazy Black Hole Comparison Will Definitely Blow Your Mind
What Is Something?
Adults Space
What is something? On the most fundamental level thinkable, what are things? Why are things? And why do things behave the way they do?