This week we take a look at layers -- layers in nebulae, layers in the Martian atmosphere, and layers in our own atmosphere.

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

In a special bonus SETI Live, communication specialist Beth Johnson welcomes astronomer and entrepreneur Franck Marchis to introduce SkyMapper, a new global network of smart telescopes and all-sky ...

The Amazon is often described as an ecosystem under dire threat due to climate change and deliberate deforestation. Yet there is still considerable hope that these threats can be mitigated. In the ...

NASA’s James Webb Space Telescope observed Herbig-Haro 49/50, an outflow from a nearby still-forming star, in high-resolution near- and mid-infrared light. The young star is off to the lower right ...

Your browser does not support the audio element. The worry about whether H5N1 will trigger a human pandemic has concealed a startling reality. Avian influenza has ...

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The Very Large Array (VLA) is a collection of 27 radio antennas located at the NRAO site in Socorro, New Mexico. Each antenna in the array measures 25 meters (82 feet) in diameter and weighs about 230 ...

UPDATE: On December 1, 2020, the Arecibo Observatory collapsed following its decommissioning by the National Science Foundation the previous month. No injuries were reported. For a half-century, it ...

Your browser does not support the audio element. In a significant advance for astronomy, researchers from the Breakthrough Listen initiative, working in collaboration ...