The Good News: Our Solar System Has a New Minor Planet. The Bad News: It Only Swings By Every 25,000 Years
SpaceIts orbit raises new questions about the existence of Planet Nine.
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The Ice Age Experienced a Solar Storm So Powerful That Its Effects Can Still Be Seen in Trees
SpaceThis knowledge can help prepare for the next major storm and also assist in tasks far beyond space.
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The Webb and Hubble Telescopes Observed Jupiter’s Auroras at the Same Time. The Problem: They Saw Different Things
SpaceAuroras on Jupiter are hundreds of times brighter and much more variable than previously thought.
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Calisto Is the Second-Largest Moon on Jupiter. It’s Also the Place Where We Just Discovered an Ocean
SpaceNew evidence suggests that an ocean of liquid, salty water lies beneath Callisto’s ice.
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The Planetary Parade, Explained: How to Watch the Rare Planetary Alignment This Month
SpaceEven planets know how to line up in a straight line (more or less) sometimes.
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The James Webb Telescope Helped Scientists Discover Carbon Dioxide in the Most Unlikely Place: Pluto’s Moon
SpaceThe James Webb Space Telescope instruments can reach some of the farthest corners of the universe in space and time. Occasionally, however, they target places closer to Earth.
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Scientists Have Found a Planet Where a Year Last Three Days. It's Orbiting the Star Closest to the Sun
SpaceDespite its similarities to the Earth, it can’t support life as we know it.
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Scientists Have Been Searching for Planet Nine for Years. More Than 3,000 New Simulations Suggest That It’s Not a Planet and Never Was
SpaceWe may not have found the solar system’s ninth planet because it doesn’t exist.
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NASA Has a Very Simple Explanation for Why We're Unable to Find Aliens
SpaceAs much as we might imagine aliens as an ultra-advanced society, they might not need that much.
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Caltech Researchers Find ‘Strongest Evidence Yet’ of an Unknown Planet in Our Solar System
SpaceScientists have speculated about the existence of a so-called "Ninth Planet" for years. They're one step closer to confirming it.
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Solar System:The Good News: Our Solar System Has a New Minor Planet. The Bad News: It Only Swings By Every 25,000 Years.The Ice Age Experienced a Solar Storm...