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A new study indicates that the relatively low mass of Mars allowed most of its water to be lost to space billions of years ago, rather than retained on its surface.
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Humans have been obsessed with Mars from a distance for thousands of years. At first, maybe it was the fact that Mars stands out in the night sky because of its reddish color. But, as we learned more about Mars, and the conditions there, it was the possibility of life on this distant planet that captured our imagination.
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Fresh off the first powered flight on another world, NASA's Mars 2020 mission has managed another key first that could pave the way for future astronauts.
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Jet Propulsion Laboratory project manager MiMi Aung gave an enthusiastic two thumbs-up and then clenched fists before a roomful of engineers erupted in applause.
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Nuclear rocket technology might be the fastest, safest way to get to the red planet. But if NASA wants to go, it should start development now.
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Following a 300 million-mile voyage through space and a dangerous drop to the surface, Perseverance will be put through its paces before getting to a search for ancient Martian life.
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China's space agency, fresh off a successful sample-return mission to the moon, says the ambitious Tianwen-1 rover mission it launched in July had reached the Red Planet.
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The UAE probe arrives at Mars on Tuesday, Feb 9. Its purpose is to both study the weather on Mars as well as inspire the next generation of that country's scientists and engineers.
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Mars will be in "opposition" on Oct. 13: the sun and Mars will be on opposite sides of Earth. It's going to be ideal for viewing the red planet.
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The European Space Agency and Russia's Roscosmos planned for a July launch for the ExoMars. They said "the epidemiological situation in Europe" factored into the delay.