A short film about an expedition to Tibet's Guliya Glacier, where scientists drilled a Stone Age ice core going back 600,000 years. Plus a report on what the ice core reveals.

Eleanor Imster

Deborah Byrd

December 23, 2017

Watch: Grand Canyon cloud inversion

A full cloud inversion followed by a snowstorm over Grand Canyon National Park in this gorgeous new time-lapse.

Eleanor Imster

December 19, 2017

Gaia’s view of Large Magellanic Cloud

The Large Magellanic Cloud (LMC), one of the nearest galaxies to our Milky Way, as viewed by ESA's Gaia satellite after its first 14 months of operations.

Eleanor Imster

December 16, 2017

Juno probes depths of Jupiter’s Great Red Spot

Juno spacecraft data show the Great Red Spot - nearly 1.5 Earths wide - with roots penetrating some 200 miles (300 km) into Jupiter's atmosphere.

Eleanor Imster

December 14, 2017

Arctic report card 2017

The report shows the warming trend that's transforming the Arctic region is persisting. The Arctic shows no sign of returning to reliably frozen region of recent past decades, say scientists.

Eleanor Imster

December 12, 2017

Darth Vader horseshoe crab

A 245-million-year-old fossil horseshoe crab, recently discovered in Idaho, has been named Vaderlimulus after Star Wars' Darth Vader. It's easy to see why.

Eleanor Imster

December 12, 2017

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.