Salsa's last dance targets reentry over South Pacific

Launched in 2000, Cluster is a unique constellation of four identical spacecraft investigating the interaction between the sun and Earth's magnetosphere—our shield against the charged gas, energetic particles and magnetic ...

Even low levels of artificial light disrupt ecosystems

A new collection of papers on artificial light at night show the impact of light pollution to be surprisingly far-reaching, with even low levels of artificial light disrupting species communities and entire ecosystems. Published ...

X-ray lasers: Why does brighter mean darker?

When we illuminate something, we usually expect that the brighter the source we use, the brighter the resulting image will be. This rule also works for ultra-short pulses of laser light—but only up to a certain intensity. ...

History of black corals rewritten

Scientists from Queensland Museum Network and the National Museum of Natural History, Smithsonian Institution have rewritten the history of black corals, revealing their origin on the continental slopes (250–3,000 meters ...

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