25 November 2014, 07:20 AM ET
This evening, look low near the west-southwest horizon about an hour after sunset for a slender (14 percent illuminated) crescent moon. Mars will sit about 9 degrees to the left of the moon.
24 November 2014, 11:00 AM ET
The stunning green glow in this image comes from an aurora at Glacier National Park in Montana. Astrophotographer John Ashley took this image from Livingston Mountain Range in Glacier National Park on Oct. 20, 2014.
23 November 2014, 01:45 PM ET
What was your favorite space news story of the last week?
21 November 2014, 10:40 AM ET
The morning sky will play host to a spectacular gathering of solar system objects grouped closely together tomorrow (Nov. 22), but it won't be easy for observers on Earth to see it.
20 November 2014, 09:48 PM ET
Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
20 November 2014, 04:10 PM ET
See stunning photos of the night sky and sun as seen by stargazers around the world in this Space.com photo gallery for October 2014 made up of images sent in by Space.com readers.
20 November 2014, 07:01 AM ET
See amazing photos of the Andromeda Galaxy, also known as M(31), as seen by space telescopes, astronomers and stargazers.
20 November 2014, 06:49 AM ET
A huge number of stars shine brightly in an amazing skywatcher photo of the Andromeda Galaxy.
19 November 2014, 08:40 PM ET
Learn how Earth’s moon formed, how its orbit affects Earth’s tides, why solar and lunar eclipses happen and the history of lunar exploration.
17 November 2014, 12:56 PM ET
The annual Leonid meteor shower peaks tonight and you can watch it live online.
16 November 2014, 11:12 AM ET
The Leonid meteor shower of 2014 will peak on Monday and Tuesday (Nov. 17 and 18), but don't expect a dazzling celestial light show. Here's what to expect from the Leonids this year.
15 November 2014, 10:40 AM ET
If you were up late Friday night, or rather awake in the wee hours of Saturday, you may have seen two brilliant objects that will immediately catch your eye if the sky is clear.
15 November 2014, 10:00 AM ET
Stargazers in the U.S. should look for meteors on Monday and Tuesday morning before dawn.
15 November 2014, 12:46 AM ET
Learn about the composition and orbit of comets, as well as the history of their discovery, famous comets and space missions to analyze them.
13 November 2014, 05:29 PM ET
To the casual observer, the moon may be only an occasional highlight in the night sky. But if you track the moon through its monthly phases, you might be surprised by what you see.
13 November 2014, 04:03 PM ET
: Late autumn is an excellent time to observe four of the most variable stars in the sky: Mira, Algol, and Delta Cephei. As their name suggests, variable stars are ones that, for one reason or another, varies in brightness over time.
12 November 2014, 10:38 PM ET
The Big Dipper is an asterism in the constellation Ursa Major. The familiar group of stars serves as a pointer to other locations in the sky.
12 November 2014, 08:20 PM ET
Lick Observatory, in operation since 1888, is involved in the search for planets outside the solar system.
11 November 2014, 07:46 AM ET
Get up early or stay out late to see some of the brightest planets in the night sky this month. The elusive planet Mercury begins November with its best morning apparition for 2014.
05 November 2014, 12:02 PM ET
The latest of four fireballs seen on Monday, Nov. 3, was spotted over Japan.
05 November 2014, 11:29 AM ET
A fireball was spotted over the east coast of the United States on Nov. 3rd, 2014. A Benwood, West Virginia Police Department cruiser captured footage of it.
04 November 2014, 06:52 PM ET
Hundreds of witnesses saw three different fireballs streak above different locations in the US, but one of them might not have been a fireball at all.
04 November 2014, 03:15 PM ET
The Taurid meteors, sometimes called the "Halloween fireballs," are typically at their best from Nov. 5 through Nov. 12. Unfortunately, a bright moon will dampen the display this year.
04 November 2014, 10:37 AM ET
Autumn is the best season of the year for astronomical observing. The bugs of summer are gone, winter’s cold has not set in, and it gets dark at a reasonable hour.
03 November 2014, 04:07 PM ET
The month of November 2014 brings some amazing skywatching sights for observers, including the peak of the Leonid meteor shower, and a grand conjunction of six solar system objects. See the most promising sky events in this Space.com gallery.
03 November 2014, 01:57 PM ET
Over 500GB of photos, taken from Oct. 26th-30th, 2014, have been compiled by Chad Blakley (lightsoverlapland.com) to deliver a "near real-time" experience to people who were unable to experience it live.
01 November 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in October 2014.
30 October 2014, 03:51 PM ET
This week is one of the rare opportunities when Mercury is relatively easy to spot. It will mean getting up before the sun, but once spotted, you will be able to follow Mercury until it is drowned out by daylight.
30 October 2014, 01:30 PM ET
Find out where to find Mars, Jupiter and Mercury this month. Pisces and Aries constellations along with the Triangulum galaxy are great targets as well. Lastly, Earth travels through Comet Tempel-Tuttle's dust trail.
28 October 2014, 07:11 AM ET
On Monday, Oct. 27, a private Antares rocket built by the commercial spaceflight company Orbital Sciences will launch the Orb-3 cargo mission for NASA to the International Space Station. Here's how to see it in the sky from the U.S. East Coast.
27 October 2014, 03:14 PM ET
The moon and Mars will create a pretty tableau along the southwest horizon at dusk tonight and tomorrow.
26 October 2014, 08:08 PM ET
"As the (aurora) display grew, the strands slowly developed into a pulsating wave of flashing green lights," says photographer Chad Blakley after capturing imagery of the Northern Lights on October 24th, 2014.