Advancing the Space Frontier

An emerging space economy is here. As teams around the globe race to innovate and explore, what are the implications for the human race? 
ISS experiment will 3D print a body part in microgravity 
An International Space Station experiment to test 3D-printing in microgravity could help end the organ shortage on Earth.
Chernobyl fungus could shield astronauts from cosmic radiation 
A recent study tested how well the fungi species Cladosporium sphaerospermum blocked cosmic radiation aboard the International Space Station.
What is the largest planet out of all the ones we know?
The “upper limit” to the size of our planets is exceeded in other stellar systems, but double Jupiter’s radius seems to be the limit.
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Our future as a species depends on a sustainable revolution. How can we transform our cities and lives to protect planet earth?

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Space junk created the world’s largest dump. Here’s how we can fix it.
From “laser brooms” to massive nets, space organizations have proposed many ways to clean up the mess of space debris.
Chinese astronomers unveil a plan to find Earth 2.0 — and aliens 
China’s Earth 2.0 mission will survey the Milky Way in the hope of identifying exoplanets similar to Earth.
Space ads could earn $2 million a day, say Russian researchers 
Space advertising could generate a profit, even though space ads would cost $65 million each, according to Russian researchers’ calculations.
Einstein’s theory of general relativity passes another test, with implications for dark matter and dark energy 
Scientists carried out an ultra-precise test of a core premise of Einstein’s modern theory of gravity. The theory stood up.
The technology we (or aliens) need for long-distance interstellar travel
Interstellar distances are vast, and extremely advanced technology will be required if we (or aliens) want to visit other star systems.
Making it on the Moon
Preparing for Mars
How NASA’s space food lab will feed the farthest journey in history
These food scientists are making it possible for us to explore space in ways we haven’t yet as a species.
Preparing for the first human mission to Mars
Mars is going to be bombarded with visitors from planet Earth — the U.S., China, and UAE are all launching unmanned spacecraft to the red planet this month.
Building infrastructure on Mars is tricky — these bugs could help
Landing on Mars is just the beginning — to live there, we’ll need to invent Martian concrete.
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A far-out plan to build an asteroid city
Twin exoplanets may be the first known “water worlds”
NASA’s Orion spacecraft sends back first images
Chinese robot helps convert moon dust into fuel and oxygen 
NASA “Flashlight” will hunt for hidden water on the moon
Meteorite blasts “biggest new crater” NASA has ever seen into Mars 
Astronomers unveil world’s largest digital camera
First-of-its-kind rocket engine nears first flight test
NASA’s mission proves it can redirect an asteroid — and potentially save Earth
How NASA plans to stop killer asteroids