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Could we really terraform Mars?Opinion With its frigid temperatures, remoteness from the sun and general dustiness, changing Mars to be more Earth-like is more challenging than it seems (and it already seems pretty tough).
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Can we solve the black hole information paradox with 'photon spheres'?Opinion Theories that attempt to resolve the so-called black hole information paradox predict that black holes are much more complicated than general relativity suggests.
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Math genius Emmy Noether endured sexism and Nazism. 100 years later, her ideas still ring true.Opinion Albert Einstein described Emmy Noether as a "creative mathematical genius" who, despite "unselfish, significant work over a period of many years," did not get the recognition she deserved.
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Could there be a link between interstellar visitor 'Oumuamua and unidentified aerial phenomena?If some UAP turn out to be extraterrestrial technology, they could be dropping sensors for a subsequent craft to tune into. What if ‘Oumuamua is such a craft?
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Lost in space? Here's a new method to find your way back home.Space is big — really big. And if you want to successfully navigate the interstellar depths of our galaxy, you're going to need some sort of reliable system.
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How much energy can be created at one time?Opinion How much energy can be created at one time without losing control?
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Mushrooms on Mars? 5 unproven claims that alien life existsA recent study claims to have found evidence for mushroom-like life forms on the surface of Mars.
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How much time does humanity have left?Statistics tell us that individuals are most likely to be somewhere around the middle part of their life. The same could be true of the human race.
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Is there a pattern to the universe?For decades, cosmologists have wondered if the large-scale structure of the universe is a fractal — that is, if it looks the same no matter how large the scale.
