Posts by 

Eleanor Imster

Aurora over Steinvikholmen Castle

Aurora borealis over Norway's Steinvikholmen Castle on April 3, by Hallvor Hobbyfotograf Lillebo.

New atomic clock won’t gain or lose a second in 300 million years

The NIST has launched a new hyper-accurate atomic clock for the U.S. time standard called NIST-F2. The clock uses a 'fountain' of cesium atoms to determine the exact length of a second.

Mars rover shadow self-portrait

The Mars rover Opportunity caught this image of its own silhouette.

Video: April 1 tsunami moving across Pacific

Near real-time animation of the tsunami that resulted from the April 1 earthquake off northern Chile. Amazing to see the waves move across the Pacific

Mars over Northern Ireland coast

The planet Mars with the stars Spica, Arcturus and the Plough - or Big Dipper - over the northern coast of Northern Ireland. Mars is now at its best!

Mid-level solar flare April 2

Awesome image! A mid-level flare, an M6.5, erupted from the sun on April 2, 2014, peaking at 10:05 a.m. EDT.

Starry sky over Connemara

Beautiful spring night over a garden in Connemara, Ireland, by Conor Ledwith.

Early morning moon and Venus

GregDiesel Landscape Photography captured the moon and Venus yesterday morning.

View from space: Washington landslide

Before and after satellite images of the March 22 landslide near Oso, Washington

MoonDay

The waning crescent moon on the morning of March 26, by VegaStar Carpentier Photography.