16 October 2014, 10:04 AM ET
ESA's Optical Ground Station (OGS) at the Teide Observatory in Spain, shot a 3.6 Watt 532-nm laser at the ISS, giving a a greenish glow. The laser was used to test optical communication tech.
16 October 2014, 07:13 AM ET
Millions of people across North America will have a chance to observe a partial solar eclipse next week, weather permitting.
15 October 2014, 05:30 PM ET
A comet is on course for a super-close approach with the planet Mars this Sunday (Oct. 19) in a rare celestial encounter. If you have a moderate-size telescope, you might be able to spot the icy wanderer as it nears the Red Planet, weather permitting.
15 October 2014, 10:31 AM ET
See amazing images by dedicated night sky observers and amateur astronomers alike.
12 October 2014, 10:44 AM ET
Monday marks Columbus Day for people in the United States, but did you know there was a lunar twist to the famous explorer's journey?
10 October 2014, 08:01 AM ET
The moon, the famous Pleiades star cluster and the red star Aldebaran will dance together in the night sky this Saturday.
08 October 2014, 09:25 AM ET
This time-lapse video shows the full moon slowly darken and grow reddish during the total lunar eclipse of 8 October 2014. Note that there is no sound; no narration.
08 October 2014, 09:00 AM ET
The early-morning total lunar eclipse of Wednesday, Oct. 8, will be a moon sight to see for stargazers around the world. See when and how to observe the second total lunar eclipse of 2014 with this step-by-step guide of the moon event.
08 October 2014, 08:59 AM ET
A total lunar eclipse is set to rise above people across a large swath of the world Wednesday (Oct. 8). Find Space.com's complete coverage of the event here.
08 October 2014, 08:54 AM ET
The moon passed through Earth's shadow on Oct. 8, 2014, marking a total lunar eclipse, the second of 2014, in a stunning blood moon. See photos of the amazing lunar eclipse in this Space.com gallery.
08 October 2014, 08:44 AM ET
The moon turned an eerie blood-red hue during a total lunar eclipse early Wednesday (Oct. 8) in an epic skywatching treat for amateur astronomers. See the amazing photos and their impressions of the lunar event.
07 October 2014, 03:56 PM ET
Astrophotographer Chris Bakley took this image from Cape May, New Jersey on Aug. 27, 2014.
07 October 2014, 01:57 PM ET
Amateur astronomer Victor Rogus talks about his experiences observing total lunar eclipses.
07 October 2014, 01:34 PM ET
Weather prospects for Wednesday's total lunar eclipse are great for observers hoping to catch a glimpse of the 'blood moon' from around the United States.
07 October 2014, 10:00 AM ET
A total lunar eclipse will rise Wednesday (Oct. 8), and even if you can't see the full "blood moon" rise from your city, you can watch it online via two webcasts.
07 October 2014, 08:00 AM ET
A lunar eclipse will take place on Oct. 8, 2014. See how to see it with the sky maps in this Space.com gallery.
05 October 2014, 12:26 PM ET
What was your favorite space news story of the last week?
05 October 2014, 08:17 AM ET
Observers of Wednesday morning's total lunar eclipse might be able to catch sight of an extremely rare cosmic sight.
04 October 2014, 11:01 AM ET
From a stunning image of the Red Planet from India's first spacecraft to a spectacular new photo showing a cluster of stars, don't miss these amazing space images of the week for Oct. 4, 2014.
04 October 2014, 08:36 AM ET
Most of North America will witness a total eclipse of the moon on Wednesday (Oct. 8), but the morning sky will also hold a surprise for intrepid skywatchers interested in seeing another celestial body alongside the eclipsed moon.
03 October 2014, 08:32 AM ET
Chad Blakley (lightsoverlapland.com) captured the Aurora Borealis over Abisko National Park in September 2014. He says that they "have enjoyed powerful auroras eight out of the last ten nights."
02 October 2014, 03:47 PM ET
Skywatchers across much of the world will have the chance to see the moon glowing with an eerily red pallor during a pre-Halloween total lunar eclipse next week.
02 October 2014, 12:40 PM ET
Look up to see planets parading across the sky this month. A series of planets, big and small, will reveal themselves to skywatchers on Earth, if weather permits.
02 October 2014, 07:01 AM ET
A global network of skywatching detectives has pieced together the strange story of a Russian military spy satellite that re-entered Earth's atmosphere earlier this month, sparking a spectacular sky show over five U.S. states.
02 October 2014, 01:06 AM ET
Maine's crystal-clear night skies shine in the photos of Mike Taylor.
01 October 2014, 05:00 PM ET
November's sky includes eclipses of the moon and sun, as well as comets and more. Find out what's up in your night sky and how to see it in this Space.com stargazing guide.
01 October 2014, 03:12 PM ET
October 8th brings a Lunar eclipse to North America. On October 19th, Comet Siding Spring (C/2013 A1) will fly within 81,000 miles of the Red Planet. The, on October 23rd, a partial solar eclipse graces Canada most of the US and Mexico.
01 October 2014, 01:07 PM ET
The month of October 2014 brings some amazing skywatching sights for observers, including a total lunar eclipse, a partial solar eclipse and a meteor shower to boot. See the most promising sky events in this Space.com gallery.
01 October 2014, 06:00 AM ET
October brings a number of stargazing treats, including eclipses of the sun and moon, a dependably dazzling meteor shower, and good opportunities to view planets such as Mars, Saturn and Jupiter.
01 October 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in Septmeber 2014.
30 September 2014, 11:31 AM ET
The Cosmos 2495 - Kobalt-M/Yantar 4K2M re-entered Earth's ionosphere over Colorado on September 2nd, 2014. Thomas Ashcraft's sentinel all-sky camera in New Mexico captured the the decent and decay of the satellite passing from south to north.
30 September 2014, 10:53 AM ET
A total lunar eclipse will be visible to most of North America and Halley's Comet remnants create the meteor shower. Also, find out the best planet and constellation targets to look for this month.