Posts by 

Eleanor Imster

Mars has belts of glaciers

A thick layer of dust covers the Martian ice. Under the dust, there are glaciers made of frozen water.

NASA scientist: We’ll find signs of alien life by 2025

"We know where to look. We know how to look," said NASA chief scientist Ellen Stofan.

On the Star Walk trail

Orion, the Hyades and the Pleiades along the Grossmugl Star Walk in Austria, only hours before the April 4 total lunar eclipse. See bright Venus on the right!

Large Hadron Collider is back up!

The world's largest particle smasher restarted Sunday after a two-year upgrade.

Auroras in motion

Sergio Garcia Rill created this video from 4,450 aurora photos! Take 3 minutes to watch this green and ghostly time-lapse of the Alaskan northern lights.

Before and after cyclone Pam

Views from above, before and after cyclone Pam devastated the island nation of Vanuatu earlier this month.

First one-year ISS crew to launch Friday

The goal of the mission is to find out how the human body responds to a prolonged stay in space. Watch the launch, watch the arrival.

Largest asteroid impact zone in Australia

Scientists believe a huge impact scar, hundreds of miles wide, came from an asteroid that broke in two moments before slamming into the central Australian outback.

Help name features on Pluto and Charon

New Horizons spacecraft will sweep past Pluto and its moons on July 15, revealing their surface features for the first time! You're invited to help choose names.

See it! Best photos of March 20 solar eclipse

Awesome photos of the March 20 solar eclipse, by EarthSky Facebook and G+ friends lucky enough to see it, and kind enough to share their pics.