Enjoying EarthSky? Subscribe.

121,101 subscribers and counting ...

Posts by Eleanor Imster

This composite NASA Hubble Space Telescope image captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet, which happened at 2:28 p.m. EDT October 19, 2014. Image credit: NASA, ESA, PSI, JHU/APL, STScI/AURA
Science Wire | Oct 24, 2014

Cool composite of Comet Siding Spring near Mars

Hubble image of close passage of Comet Siding Spring near Mars. The comet passed Mars at about a third the distance between Earth and the moon on October 19.

White Sands Missile Range/Applied Physics Laboratory
Oct 24, 2014

This date in science: First-ever photo of Earth from space

On October 24, 1946, a movie camera on board the V-2 rocket captured the first photo of Earth from outer space.

Screen Shot 2014-10-21 at 6.10.19 PM
Science Wire | Oct 23, 2014

Video: 3D flight over Mars chaotic terrain

Get out your 3D glasses and watch a flyover of the weird landforms on Mars know as chaotic terrain.

October 6, 2014. Image credit: NASA
Science Wire | Oct 22, 2014

View from space: Southwestern U.S. at night

Two cool nighttime photos by astronauts aboard the ISS. Check out the bright city lights.

Screen Shot 2014-10-20 at 9.08.14 AM
Science Wire | Oct 20, 2014

Video: Solar eclipse on October 23

Weather permitting, almost everyone in North America will be able to see the partial solar eclipse this Thursday.

Screen Shot 2014-10-10 at 9.59.19 AM
Science Wire | Oct 19, 2014

Video: Comet Siding Spring’s close encounter with Mars

Here’s a 2-minute video on the comet’s October 19 near-miss of Mars, and how orbiting spacecraft will evade onslaught of dust particles from the comet.

Photo credit: Ben+Sam/Flickr
Science Wire | Oct 15, 2014

San Francisco Bay area overdue for a big quake

Four urban sections of the San Andreas Fault system in Northern California have stored enough energy to produce major earthquakes, according to a new study.

Photo credit: Rghrouse/Flickr
Science Wire | Oct 14, 2014

Massive icebergs once drifted to Florida

New research suggests that during Earth’s last ice age – about 21,000 years ago – icebergs regularly reached South Carolina and even southern Florida.

Photo credit: Colin Chatfield
Today's Image | Oct 14, 2014

4 a.m aurora

Aurora, mirrored in water, west of Saskatoon in Canada. Photo by Colin Chatfield.

M.A. Cabrera Luengo/Flickr
Science Wire | Oct 13, 2014

Largest-yet study describes near-death experiences

Tunnels ending in light, your life flashing before you, out-of-body sensations. Near-death experiences merit further study without prejudice, these researchers say.