NASA's Perseverance rover deposits first sample on Mars surface

A titanium tube containing a rock sample is resting on the Red Planet's surface after being placed there on Dec. 21 by NASA's Perseverance Mars rover. Over the next two months, the rover will deposit a total of 10 tubes at ...

California wildfire smoke dimmed solar energy in 2020

The smoke from intense California wildfires in September 2020 darkened the skies so much that it slashed the state's solar power production during peak hours by 10–30%, according to a study led by scientists at the National ...

Rare fossil clam discovered alive

Discovering a new species is always exciting, but so is finding one alive that everyone assumed had been lost to the passage of time. A small clam, previously known only from fossils, has recently been found living at Naples ...

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