If aliens wrap their planets in potent greenhouse gases like we do, we’d be able to tell. That’s according to a recent thought experiment in which scientists identified five “artificial” greenhouse gases that, if abundant enough, can be spotted in the atmospheres of certain exoplanets using existing technology, including the James Webb Space Telescope (JWST). […]
Warp Path In the 1990s, Mexican theoretical physicist Miguel Alcubierre proposed a new kind of hypothetical warp drive that would allow a spacecraft to travel faster than the speed of light. To pull off that seemingly physics-defying trick, this hypothetical drive would need to generate a wave that causes the fabric of space to expand […]
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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. What would be the ultimate solution to the energy problems of an advanced civilization? Renowned British American physicist Freeman Dyson theorized it would be a shell made up of mirrors or solar panels that completely […]
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A Tesla vehicle in Full-Self Driving mode appeared to fail to detect a moving train and stop on its own, leading to a chaotic accident depicted in a video that has been viewed millions of times on social media. The car’s owner and driver, Craig Doty II, told NBC News that he takes responsibility for […]
May 23—New Mexico will get about $19 million in federal infrastructure money to expand efforts to detect PFAS in the water systems of the state’s smaller and disadvantaged communities. The grant money will be made available to 500 communities to test their public water systems for PFAS and other emerging toxic chemicals that pose a […]
Subterranean Stash The pyramids at Giza continue to yield ancient secrets. But this time, they come not from those towering wonders up above, but what’s being described as an “anomaly” interred in the desert sands below. Using ground penetrating radar in combination with a technique known as electrical resistivity tomography (ERT), a team of researchers […]
By Will Dunham WASHINGTON (Reuters) – Astronomers have searched for years for rocky planets beyond our solar system with an atmosphere – a trait considered essential for any possibility of harboring life. Well, they finally seem to have located one. But this hellish planet – apparently with a surface of molten rock – offers no […]
About a trillion tiny particles called neutrinos pass through you every second. Created during the Big Bang, these “relic” neutrinos exist throughout the entire universe, but they can’t harm you. In fact, only one of them is likely to lightly tap an atom in your body in your entire lifetime. Most neutrinos produced by objects […]
Saturn has 146 confirmed moons – more than any other planet in the solar system – but one called Enceladus stands out. It appears to have the ingredients for life. From 2004 to 2017, Cassini – a joint mission between NASA, the European Space Agency and the Italian Space Agency – investigated Saturn, its rings […]