Where are stars made? NASA's Spitzer spies a hot spot

The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA's recently retired Spitzer ...

Study finds dangerous mercury levels in Amazon fish

Nearly one-third of the fish in the Brazilian Amazon state of Amapa have such high levels of mercury caused by illegal mining that they are dangerous for human consumption, according to a new study.

Brazil to deploy army to fight Amazon deforestation

Brazilian President Jair Bolsonaro authorized the army Thursday to fight Amazon wildfires and deforestation, amid warnings the world's biggest rainforest is disappearing even faster than during record devastation last year.

Rats avoid hurting other rats

Most humans feel bad about hurting others. This so-called "harm aversion" is key to normal moral development and is reduced in violent antisocial individuals. Unfortunately, little is known about what makes people harm-averse, ...

Source of Indonesian earthquakes and tsunamis located

Devastating historical earthquakes and tsunamis in Indonesia can be traced to a recently discovered submarine extensional fault system, where sediment slumping along the fault zone triggers the tsunamis, according to a study ...

Systems analysis for a new Arctic

The Arctic region has long been seen as one of the Earth's most remote frontiers. However, the Arctic is changing quickly, which is important in global governance, geopolitics and the global economy. Temperatures have warmed ...

Scientists use night vision to save bats

High-resolution radar and night vision cameras may help scientists protect bats from untimely deaths at wind farms, according to new research.

Brazil's Amazon basin fires keep surging

The number of fires in Brazil's Amazon basin is still on the rise, even though the government has banned burning, officials said Saturday.

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