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.

The paradox of gift giving: More not better, says new study

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 ...

India's spacecraft beams back first Mars photos

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.

Paris climate targets could be exceeded sooner than expected

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 ...

State of Russia's ISS segment sparks safety concerns

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on Tuesday raised concerns about the deteriorating state of Russia's segment of the International Space Station due to out-of-date hardware, warning it could lead to "irreparable failures".

Large eyes come at a high cost

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 ...

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