Vegetation declining on elephants' migration routes in Namibia

A study based on extensive remote sensing data indicates that vegetation near the migration routes of elephants in Namibia has decreased. Human habitation and fences as well as artificial obstacles of other kinds affect the ...

Methane levels surged in 2020 despite lockdowns

Levels of methane, the second most important greenhouse gas in our atmosphere, continued their unrelenting rise in 2020 despite the economic slowdown caused by the COVID-19 pandemic.

Geologic map of the entire moon at 1:2,500,000 scale

Chinese scientists have created the most detailed map of the moon yet. It took them 10 years and involved hundreds of researchers. The new map will be a boon to lunar exploration and for anyone who just wants to study our ...

Six questions to understand the sixth warmest year on record

2021 tied with 2018 as the sixth warmest year on a record that extends back to 1880, according to NASA's annual analysis of global average temperatures. The year contributed to an unprecedented, but well-understood trend ...

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