Methane Gas Leaks Undermine Shift to Natural Gas

Natural-gas wells such as this one in Colorado are increasingly important to the US energy supply. Credit: David Zalubowski/AP Photo

Scientists report that there are alarmingly high methane emissions from oil and gas fields, undermining the environmental benefits of natural gas, which is transforming the current US energy system.

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Saturn’s Largest Moon Titan Seen in Unprecedented Detail

titan-saturn-moon-north-pole

As one of the coldest places in the solar system, Titan, Saturn’s largest moon, is also one of the most dynamic. A new collection of 13 studies about Titan reveal previously undetected craters, rivers, and have provided maps of its surface and interior.

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