19 February 2015, 05:26 PM ET
The so-called 'demon star' of Algol is the most prominent eclipsing variable star in the night sky and if you know when and where to look, you can see the star appear to wink as it is eclipsed by another, dimmer star.
18 February 2015, 05:14 PM ET
Mars, Venus and the moon will meet up in a particularly beautiful cosmic display Friday. If you've been watching the evening twilight sky over the past few weeks, you will have seen the brilliant planet Venus gradually moving away from the sun, setting sl
18 February 2015, 04:58 PM ET
NASA cameras caught an intensely bright meteor streaking through the sky above Pittsburgh in the predawn hours on Tuesday (Feb. 17). The hunk of space rock was roughly 2 feet long and 500 lbs. before it burned up in the atmosphere..
18 February 2015, 12:29 PM ET
The online observatory Slooh will broadcast real-time views of the new moon on Thursday, marking the beginning of the Chinese New Year.
17 February 2015, 11:16 AM ET
Despite a space weather forecast of limited aurora activity, a tall band of green and striking red appeared over Sweden's Abisko National Park on 16 February 2015, captured in near real time by photographer Chad Blakley / www.lightsoverlapland.com
14 February 2015, 12:40 PM ET
From a colorful cosmic "flower" to a smiley face in space, don't miss these amazing space images of the week for Feb. 15, 2015.
13 February 2015, 05:11 PM ET
The famed constellation of Orion is one of the most recognizable star patterns in the night sky, and poses a dazzling sight for observers this month, weather permitting. Simply look south around 8 p.m. your local time, and you will see this might hunter o
13 February 2015, 04:28 PM ET
On Feb. 19, a "supermoon" — a special event when the moon is full and also at its closest point to Earth in orbit — will occur. But unfortunately, it will be invisible to skywatchers on Earth.
06 February 2015, 04:45 PM ET
Over the next two weeks, you have an excellent chance to spot one of the most rarely observed objects in the sky, the zodiacal light.
05 February 2015, 04:25 PM ET
Jupiter will dazzle all night long for the entire month, and if you’re awake in the early morning hours, look for the ringed wonder, Saturn. Skywatchers will also have good opportunuties to see Mercury, Venus and Mars this month.
05 February 2015, 03:00 PM ET
See photos of a rare triple-moon conjunction on Jupiter as the shadows of Europe, Io and Callisto pass across the planet's face on Jan. 24, 2015 as seen by NASA's Hubble Space Telescope and skywatchers.
03 February 2015, 04:52 PM ET
Feb. 2 is Groundhog Day, when a large rodent is expected to predict the weather. What can astronomy reveal about what's in store for the cold months ahead?
03 February 2015, 03:19 PM ET
If your sky is clear early this evening, about an hour after sundown, you might be able to see the February full moon — sometimes known as the 'Snow Moon' — shining with the giant planet Jupiter in the east-northeast sky. Jupiter should be located to the
02 February 2015, 11:08 AM ET
See what's up in the night sky for February 2015, including stargazing events and the moon's phases, in this SPACE.com gallery courtesy of Starry Night Software.
02 February 2015, 11:00 AM ET
Amateur astronomer Keith Hanssen took this image of the Orion Nebula in November from Montana.
02 February 2015, 10:20 AM ET
Amateur astrophotographer Béla Papp took this picturesque moonlit scene near the village of Óbánya in southwest Hungary.
01 February 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in January 2015.
30 January 2015, 04:56 PM ET
Juno, the third largest asteroid in the night sky, is currently visible with binoculars, if you know when and where to look. Here's how to use the bright planet Jupiter and two constellations as your guide.
30 January 2015, 04:17 PM ET
When is the best time to observe the moon with a telescope? Most astronomy neophytes might say it is when it's at full phase, but that’s probably the worst time to look at it! The best time to see the moon is during its first and last quarter phases.
30 January 2015, 07:00 AM ET
Comet Lovejoy came within 120 million miles (193 million kilometers) of the sun early Friday. A bright and waxing moon makes spotting Lovejoy tough at the moment, but good viewing opportunities should open up in a week or so.
29 January 2015, 01:07 PM ET
A pairing of Venus and Mars will grace the western sky at sunset throughout February 2015. On Friday the 20th, the crescent moon joins the band. Orion and Canis Major take the stage in the southern sky. Watch for Saturn and Jupiter too.
29 January 2015, 06:30 AM ET
Comet Lovejoy will make its closest approach to the sun on Jan. 30. To mark the occasion, the Slooh Community Observatory is hosting a live webcast Thursday, beginning at 5:30 p.m. EST (2030 GMT). Watch it here at Space.com.
28 January 2015, 06:20 PM ET
The stars and constellations seen from Mars would be similar to those seen from Earth, but the Red Planet's two moons would be quite a sight for Martian explorers.
26 January 2015, 04:06 PM ET
A mountain-size asteroid buzzed Earth Monday morning (Jan. 26) in a close encounter that's already revealing new information about the space rock, including an improved measurement of its size and confirmation of at least one moon.
26 January 2015, 09:12 AM ET
A huge asteroid will become the largest space rock of its kind to pass closest to Earth until 2027 today (Jan. 26) when it zooms safely by Earth beyond the orbit of the moon. You can see the space rock's flyby live online.
22 January 2015, 03:41 PM ET
On Friday night (Jan. 23), observers all across North America will witness a rare event when three of Jupiter’s moons, and their shadows, pass across the face of the giant planet. The next such "triple transit" won't occur until 2032.
22 January 2015, 11:33 AM ET
See stunning photos of the night sky and sun as seen by stargazers around the world in this Space.com photo gallery for January 2015 made up of images sent in by Space.com readers.
21 January 2015, 02:52 PM ET
An amazing new time-lapse video shows the Milky Way, dancing auroras and skies full of stars above stunning locations in areas free of light pollution.
20 January 2015, 07:30 AM ET
Astrophotographer Jaspal Chadha took this image over four nights in December 2014 and January 2015.
15 January 2015, 04:52 PM ET
There are always interesting and unusual things to see in the night sky, even if you don’t own a telescope. Saturn, the moon and several other night sky objects are currently starring in a celestial show before sunrise, but only for those early birds who
15 January 2015, 04:31 PM ET
Early Friday morning, if skies are clear, you have a good chance to catch sight of a lovely waning crescent moon pairing off with the ringed wonder of the solar system: the planet Saturn.
15 January 2015, 07:27 AM ET
While most full moons of the year look similar, they each have unique names. Full moon names date back to Native Americans, living in what is now the northern and eastern United States.