NASA picks Lockheed Martin to develop nuclear rocket
NASA and the US military said Wednesday they had selected defense contractor Lockheed Martin to develop a nuclear powered rocket, with a view to using the technology for missions to Mars.
NASA and the US military said Wednesday they had selected defense contractor Lockheed Martin to develop a nuclear powered rocket, with a view to using the technology for missions to Mars.
Space Exploration
Jul 26, 2023
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149
By the end of 2017, global emissions of carbon dioxide from fossil fuels and industry are projected to rise by about 2% compared with the preceding year, with an uncertainty range between 0.8% and 3%. The news follows three ...
Environment
Nov 13, 2017
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414
Holiday shoppers, take note. Marketing and psychology researchers have found that in gift giving, bundling together an expensive "big" gift and a smaller "stocking stuffer" reduces the perceived value of the overall package ...
Social Sciences
Dec 12, 2011
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India's spacecraft has beamed back its first photos of Mars, showing its crater-marked surface, as the country glowed with pride Thursday after winning Asia's race to the Red Planet.
Space Exploration
Sep 25, 2014
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Earth is on a budget—an energy budget. Our planet is constantly trying to balance the flow of energy in and out of Earth's system. But human activities are throwing that off balance, causing our planet to warm in response.
Earth Sciences
Mar 26, 2021
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1257
A new study has for the first time comprehensively accounted for permafrost carbon release when estimating emission budgets for climate targets. The results show that the world might be closer to exceeding the budget for ...
Earth Sciences
Sep 17, 2018
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474
A Russian space official on Tuesday raised concerns about the deteriorating state of Russia's segment of the International Space Station due to out-of-date hardware, warning it could lead to "irreparable failures".
Space Exploration
Aug 31, 2021
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303
The richest one percent of people are responsible for more than twice as much carbon pollution as the poorest half of the world's population—3.1 billion people—new research showed Monday.
Environment
Sep 21, 2020
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Global emissions of carbon dioxide from burning fossil fuels are set to rise again in 2013, reaching a record high of 36 billion tonnes - according to new figures from the Global Carbon Project, co-led by researchers from ...
Environment
Nov 18, 2013
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Researchers from Lund University in Sweden have shown that well-developed eyes come at a surprising cost to other organ systems. The study involving Mexican cavefish shows that the visual system can require between 5% and ...
Plants & Animals
Sep 11, 2015
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576