A pale blue dot may not be the only hint of life beyond the solar system. New research suggests astronomers pay attention to pale orange worlds as well, since they may resemble what Earth looked like earlier in its history.
A windy day on HD 189733b is nothing to take lightly.
A solar storm that missed Earth but smashed into Mars last March dramatically confirmed long-held suspicions that the sun is blasting away the Martian atmosphere, and doing so at a rate that will leave the planet airless in another couple of billion years, if not sooner.
A tiny frozen world three billion miles away from the sun isn't the place where you might expect to find a brilliant blue sky, but that's exactly what NASA's New Horizons team has discovered on far-off Pluto. Continue reading →
If funded, the tiny Twinkle telescope will look at the atmospheres of close alien planets, including 'super-Earths.'
By tracking the phases of six exoplanets, astronomers have tracked their daily weather cycles for the first time.
It's as if Titan is getting festive for Hallowe'en -- astronomers have detected a ghostly glow around the the north and south poles of the Saturnian moon that had previously gone undetected. Continue reading →
Mars' dusty atmosphere has surprised scientists. Continue reading →
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