A Dyson swarm made of solar panels would make Earth uninhabitable, suggests study
As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...
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4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
Portal Space Systems opens its doors for a sneak preview of solar propulsion system
From the outside, Portal Space Systems’ headquarters looks like a standard-issue office space in a Bothell business park. But ...
14 million-year-old dust storm may have triggered Earth's climate shift - study shows
A University of Vienna study suggests that the solar system's movement through the galaxy affected Earth's climate millions ...
Scientists Uncover a Galactic Encounter That May Have Changed Earth’s Climate
Millions of years ago, our Solar System sailed through the Orion Complex, part of the vast Radcliffe Wave structure. This ...
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First direct image of CO2 outside our solar system captured by Webb
NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.
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How did Earth get such a strange moon? Exploring the giant impact theory
The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...
Venus is ready for its close-up: We explain its inferior conjunction
A superior conjunction occurs when Venus is the farthest from Earth, on the other side of the sun. Conversely, astronomers ...
The 1960s Tech Keeping NASA’s Voyager Probes Alive for Nearly 50 Years
Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...
Four planets found orbiting a star 6 light-years from Earth
Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...
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Spiral structure discovered at the edge of our solar system can't be explained
Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...
Webb telescope images of exoplanets "stunned researchers," offer insight into carbon dioxide, NASA says
The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...