The 7.8-magnitude earthquake off the coast of New Zealand's South Island on November 13 created a thin swath of newly exposed land. Before and after images.

Eleanor Imster

December 9, 2016

Parts of brain sleep, wake up, all day

New research finds that small regions of your brain cycle in and out of sleep, even when you're awake.

Eleanor Imster

December 9, 2016

Arctic sea ice at record low

So far this year, the Arctic Ocean and neighboring seas have been slow to freeze, setting a record low for the floating cap of sea ice in November.

Eleanor Imster

December 8, 2016

Wodonga sunset

Michael Coonan captured this image outside his back door in Wodonga, Australia on December 4, 2016.

Eleanor Imster

December 8, 2016

Mystery of sun’s coronal heating

Exploding "heat bombs" might explain why the sun's upper atmosphere, or corona, sizzles at millions of degrees - hundreds of times hotter than at the surface.

Eleanor Imster

December 2, 2016

Hurricane risk to US northeast coast

Due to shifting weather patterns, the northeastern coast of the United Sates could see more frequent and more powerful hurricanes in the future, says new research.

Eleanor Imster

November 30, 2016

2016-17 winter outlook for US

NOAA's outlook for this winter predicts a warmer, drier South, and cooler, wetter North. Drought is expected to persist in California and expand in the Southeast.

Eleanor Imster

November 30, 2016

Eleanor Imster

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.