When the sun dies, could life survive on Europa? | Astronomer captures ghostly outer shell of the Cat's Eye | Could refueling satellites help reduce air pollution?
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The world at large is working to stop the fast-progressing degradation of Earth's environment. In the space sector, however, one-use-only products still reign supreme.
The U.S. Astronaut Hall of Fame held its annual induction ceremony on Saturday (May 31), but one of this year's two honorees could not attend for a reason unique to all past enshrinements.
New experiments have shown that the core of Mars formed much faster than Earth's core, thanks to molten iron and nickel sulfides seeping down through solid rock and into the center of the Red Planet.
As Star Citizen approaches a billion dollars in funding and with no full release date in sight, we take a look at its history and the current state of this ambitious space epic.
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