This propulsion expert says there's a good chance NASA's EM Drive results are flawed
It’s one of the most intriguing stories of the year: NASA’s version of the 'impossible' EM Drive appears to produce thrust, violating Newton’s third law and hence our current understanding of the physics that govern the Universe.

But just because NASA’s space drive test passed peer-review last month, doesn’t mean it actually works, says Brice Cassenti, an expert in advanced propulsion systems at the University of Connecticut. In fact, due to the array of errors that could have affected the experiment, he says the only way we can actually know the truth is to test the EM Drive in space.

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Caesarean births could be having an effect on human evolution
Caesarean section (or C-section) deliveries can save lives when babies are too large to be born naturally - or if there are other health complications - but they also appear to be affecting how humans are evolving, scientists report.

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Giraffes are heading towards a "silent extinction", as populations plummet
The tallest animal in the world has been brought tragically low, with new research revealing that the global giraffe population has plummeted by up to 40 percent over the last 30 years.

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TIL Ore trains in Sweden traveling down to the coast generate five times the amount of electricity they use, powering nearby towns and the return trip for other trains.
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'Star in a Jar' Fusion Reactor Works and Promises Infinite Energy
For several decades now, scientists from around the world have been pursuing a ridiculously ambitious goal: They hope to develop a nuclear fusion reactor that would generate energy in the same manner as the sun and other stars, but down here on Earth.

Incorporated into terrestrial power plants, this "star in a jar" technology would essentially provide Earth with limitless clean energy, forever. And according to new reports out of Europe this week, we just took another big step toward making it happen.

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NASA's working on a nano-starship that travels at 1/5 the speed of light
April, a team of scientists including Stephen Hawking announced a mind-boggling new project to explore interstellar space, using lasers to propel a nano-spacecraft the size of a postage stamp to our nearest star system, Alpha Centauri.

If they could get their little 'StarChip' spacecraft to travel at 20 percent the speed of light, it could arrive in just 20 years. But how would the electronics on such a tiny, vulnerable spacecraft survive for 20 years in the hostility of space?

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This self-portrait of NASA's Curiosity Mars rover shows the vehicle at the "Mojave" site, where its drill collected the mission's second taste of Mount Sharp.

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Why haven't we found aliens (infographic)
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Super-you: Your body is a nation of trillions
Last night, while you were sleeping, legions of eight-legged creatures had an orgy between your eyebrows. No, you haven’t suddenly been invaded by sex tourists. Demodex mites, close relatives of ticks and spiders, are permanent and mostly harmless residents of the human face.

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NASA Aborts Hurricane Satellite Constellation Launch Over Pump Glitch
The Orbital ATK L-1011 carrier plane, the Stargazer, is seen in midflight during its first attempt to launch NASA's CYGNSS hurricane satellite mission aboard a Pegasus XL rocket

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This is what monkeys would sound like if they could produce human-like speech
Monkeys and apes can't learn new vocalisations such as human speech sounds, and now scientists think they know why.

Thanks to detailed X-rays of macaque monkeys, we now know that their vocal tracts are flexible enough to produce a wide range of sounds making up thousands of distinct words. That means the reason they can't speak is likely related to how their brains work, rather than any physical limits on their vocal anatomy.

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Listen to the computer generated macaque monkey speech
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Simulated Macaque Speech: Will you marry me?

The sun, as seen from different celestial bodies⁣
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