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Check out the Most INCREDIBLE Space Experiments Ever Done! From the craziest science experiments done by astronauts to some unbelievable physics we don't have on earth, this top 10 list will amaze you!

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10. Cool Flames
Experiments on the International Space Station often return unexpected results… none more so than during a series of combustion tests that discovered cool burning flames. Taking place in the Multiuser Droplet Combustion Apparatus on board the space station, the tests involved igniting large droplets of heptane fuel.

9. Chix in Space
We've all heard of the Space Race when the US and USSR tried to best one another in their quest to leave the earth’s atmosphere, but did you know that this also took place in terms of the experiments they were conducting… And in the late 80s, both sides attempted to hatch birds in zero gravity.

8. Tissue Chips in Space
Observations of the effects on humans of microgravity have shown that prolonged periods of time in space can speed up the aging process- increasing muscle deterioration, mass reduction, immune deficiency, and weakened cardiopulmonary functions… but good news is the effects are reversed when returning to earth.

7. Flatworm Regeneration
Flatworms may seem uninteresting at first, but they’ve always been important in research because of their regenerative properties. It’s a process that’s not entirely understood, but if you cut one into pieces, it’ll grow a new head and tail and become a new worm in its own right.

6. EXCISS
It's a well-known fact that we are made from stardust- after all, it's the events that happen when a star dies that create all of the elements that we, and the Universe, are made from… but the exact process by which this creation happens is not known- and that's what the EXCISS experiment was designed to find out.

5. Cancer Research
As the second leading cause of in the US- responsible for 589,000 people in the country dying every year, a huge amount of resources are dedicated to finding new treatments and preventative measures for cancer. The ISS lab is one of the tools in the arsenal against the disease, and micro-gravity offers new ways to investigate various aspects.

4. Shooting an Asteroid
In late 2018, Japan’s spacecraft, the Hayabusa2, dropped probes on an asteroid called Ryugu. In late February of 2019, one of them fired kinetic impactor shots into the surface to collect material to bring it back to earth to study. A mission like this, though, needs to be carefully planned… and the designers of the mission carried out practice runs on earth before the spacecraft was even launched.

3. The Cold Atom Laboratory
In 2018, a small suitcase-sized device began work on discovering some of the biggest mysteries in physics- by creating the coldest known spot in the universe. Called the Cold Atom Laboratory, it's used to cool atoms to virtually absolute zero, at just above -459.67 degrees Fahrenheit.

2. The Juno Mission
NASA has a number of missions that have been sent to explore the solar system, and Juno is one of the most exciting. It was launched in 2011 as a part of the New Frontiers Program… with the aim to learn more about Jupiter. The probe entered polar orbit in 2016 and has been monitoring the planet ever since.

1. Combustion
The movement of fire can be unpredictable enough on earth, but in space, things get very strange. Here, when a flame is burning, gravity pulls colder, dense air to the base of the flame, which causes the hot air to rise. This continues to feed the fire with fresh oxygen, and the airflow is why a flame flickers in a teardrop shape.

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Check out the Most MYSTERIOUS Materials Found From SPACE! From bizarre unexplained structures to some of the weirdest planets in the universe, this top 10 list of strange materials discovered in space will amaze you!

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10. Metallic Hydrogen
Hydrogen is an element that's present throughout the Universe, and we see it every day here on earth, usually in combination with oxygen to form water. On its own, it behaves like any other element… It's a gas at temperatures above -400 degrees Fahrenheit, a liquid above -434 degrees Fahrenheit, and a solid when it's colder than that.

9. Pure Aluminum
A lot of what we know about materials in space comes from analyzing the remnants of meteorites that have fallen to earth. A particularly unusual rock was found in Egypt in 1996, which contained an unusual form of a metal that we're very familiar with… Aluminum.

8. The Horsehead Nebula
The Horsehead Nebula, which lies approximately 1,500 light years away from earth, is one of the most recognizable interstellar phenomena because of its unique shape… but there's far more to this mass of dust and gas than initially seems, and scientists have been studying its composition in further detail.

7. Hapkeite
Not all meteorites that land on earth have come from the furthest stretches of the solar system! This next guy actually originated from our nearest galactic neighbor, the moon! Discovered in the early 2000s in Oman on the Saudi peninsula, analysis of the piece of moon rock exposed a completely new material that’s made from iron and silicon.

6. Krotite
Around 2003, a very strange meteorite was found in North Africa, one which is often referred to as the cracked egg meteorite because of its unusual appearance. More recently, scientists who were examining the meteorite found a material, about the size of a grain of rice, that they didn't recognize.

5. Quasicrystals
Quasicrystals are an unusual type of material where the atoms inside arrange themselves in regular patterns, but ones that never repeat themselves. Neighboring cells have slight variations, but follow clear mathematical rules in a similar way to the Fibonacci sequence. More than 100 different types of quasicrystal are known, and they are used in products such as non-stick cookware, LED lighting, and surgical instruments.

4. Panguite
The Allende meteorite was the largest carbonaceous chondrite to have ever been found on earth. These primitive meteorites account for just under 5 percent of the ones that fall and have their roots in the early solar system. This one fell over the Mexican state of Chihuahua on February 8th, 1969 and exploded in the atmosphere- scattering debris across the region.

3. Uakitite
In 2018, researchers at the Annual Meeting of the Meteoritical Society in Moscow announced a particularly exciting find for them, as they had discovered a completely new mineral after examining a space rock. Known as Uakitite, it was found in the Uakit meteorite. This meteorite was found in the region of Russia after which it was named.

2. Wassonite
Yamato 691 was a meteorite found in Antarctica 50 years ago, but it was only recently that scientists realized there was something strange about its structure. Upon closer inspection, they found microscopic crystals inside it, that were unfamiliar. The problem was that they only measured between 50 and 450 nanometres across, which made them incredibly difficult to analyze.

1. The Strongest Substance in the Universe
Ever since humans have manipulated materials for their own means, they've always looked for the next strongest substance to work with. At first, this was rock, then iron, then steel, and now composites and graphene… but researchers now think they’ve discovered what is the strongest substance in the entire universe, something they call ‘nuclear pasta’.

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