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NASA is sending a six-wheeled rover to Mars to look for signs of microbial life stored in the rocks at Jezero crater. The rover is also the first step in bringing samples of Martian rock to Earth.

The instruction many students get is not based on the overwhelming scientific evidence about how kids turn spoken sounds into letters and words on a page.

The author, best known for works such as the Earthsea series and The Left Hand of Darkness, used her fantastic realms to grapple with difficult themes. She leaves a legacy as a literary trailblazer.

The risk of hurricanes hasn't stopped developers from building along the state's coast. NPR's Ari Shapiro talks to University of North Carolina's Institute of Marine Sciences Director Rick Luettich.

Six people, including music talent agent Dave Shapiro, were on board a private jet that crashed into a San Diego neighborhood on Thursday.

Neil Hammerschlag has looked inside the mouth of a wild tiger shark and lived to tell the tale. He says that sharks pose only a very small risk to people: "Humans are not on the shark's menu."

SoCalGas wrote about two air samples with high levels of the carcinogen — but not about 12 others, the AP reports. And the LA Times writes that efforts to cap the well appear to have destabilized it.

In the moonscape of Death Valley, one mystery stands out: boulders that seem to creep along the desert floor when nobody's looking. Thanks to video and GPS, scientists now think they know why.

The Colorado River's reservoirs have declined so much that officials say major water cuts will be necessary as soon as 2023. This comes after years of unrelenting drought worsened by climate change.

Rob Stein is a correspondent and senior editor on NPR's science desk.