Up to now, the search for extraterrestrial life has focused on finding a planet like our own. But could alien biology create its own habitable havens?
Category: alien life – Page 4
Material from asteroid Ryugu riddled with earthly microbes provides a cautionary tale for scientists seeking signs of alien life.
By Sharmila Kuthunur edited by Lee Billings.
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Could aliens destroy us from light years away? Another day at Kurzgesagt Labs, where we answer the most important questions with science.
Today: how might civilizations wage war across light years? What kind of devastating weapons could they use and what would they look like?
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Can organisms generate their own self-sustaining ecosystems in space without a planet. Researchers say it’s at least plausible.
Hubble Finds Two Exoplanets Covered in Oceans 1,000 Miles Deep, Possibly Hiding Exotic Forms of Life.
Using data from the Hubble telescope, scientists have discovered two exoplanets, Kepler-138c and Kepler-138d, which appear to be “water worlds” with oceans potentially as deep as 1,000 miles. These planets, located 218 light-years away, are unlike any in our solar system, with low densities suggesting that they are primarily composed of water. Though they may not have surface oceans like Earth, the atmosphere on these planets could be made of steam, with high-pressure liquid water existing beneath. This breakthrough raises new questions about the habitability of exoplanets.
NASAs SPHEREx observatory will lend insight into what happened after the Big Bang, measure the glow of galaxies near and far, and search the Milky Way for building blocks of life.
NASA and SpaceX are planning to launch the SPHEREx astrophysics observatory in late February 2025. SPHEREx, which stands for Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer, will lift off aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California.
Roughly the size of a subcompact car, SPHEREx will enter a polar orbit around Earth. From there, it will map the entire sky in 3D by capturing images in every direction, similar to scanning the inside of a globe. The resulting map will feature hundreds of millions of stars and galaxies, displayed in 102 distinct colors, each representing a unique wavelength of light.
An Iranian cosmologist has recently suggested another way we could look for extraterrestrial life in our universe. Could it be, he wonders in a new paper (which appears now on the preprint site arXiv), that these advanced alien civilizations are using Dyson spheres around primordial black holes as a way to gather energy? And, if so, how could we look for the signs? His work makes some big assumptions that may not be justified, but this specific type of cosmology has always been a little far out—and it’s where the biggest insights can sometimes lie.
Shant Baghram is a physicist at the Sharif University of Technology in Tehran. His new paper, which is an unusual solo work in a long career of collaboration with colleagues and graduate students, is a quick-and-dirty introduction to ideas like SETI (the Search for Extraterrestrial Intelligence), the Drake equation, and the Dyson sphere—all hallmarks of those who theorize about alien civilizations.
When people say moons and Uranus it is phonetically a bit nasty, but, even but sounds a bit strange.
Instead, they may have oceans, and the moons may even be capable of supporting life, scientists say. Much of what we know about them was gathered by NASA’s Voyager 2 spacecraft which visited nearly 40 years ago.
S visit coincided with a powerful solar storm, which led to a misleading idea of what the Uranian system is really like. +Uranus is a beautiful, icy ringed world in the outer reaches of our solar system. It is among the coldest of all the planets. It is also tilted on its side compared to all the other worlds – as if it had been knocked over – making it arguably the weirdest.
The planet Uranus and its five biggest moons may not be the dead sterile worlds that scientists have long thought.
Light Field Lab has launched its SolidLight Holographic and Volumetric display technologies that will power some amazing imagery of the future.
These next-generation display technologies will be used by major companies to build a wide variety of holographic images and animations. Connecting a bunch of panels together, the system can modulate 10 billion pixels per square meter.
Last year, Light Field Lab raised $50 million, adding to its war chest of $85 million raised since its inception. And now I can see where that money is going. The San Jose, California-based company gave me a theatrical tour of an animated demo of an alien that it builds in collaboration with the SETI Institute, the organization searching for extraterrestrial intelligence in our galaxy.