23 September 2015, 04:55 PM ET
The winning images from the Insight Astronomy Photographer of the Year competition were announced last week, and the list is an awe-inspiring collection of celestial awesomeness.
23 September 2015, 04:44 PM ET
See the winners of the 2015 Insight Astronomy Photographer of the Year contest, run by the Royal Observatory Greenwich in association with Insight Investment and BBC Sky at Night Magazine.
23 September 2015, 04:34 PM ET
The Sunday evening eclipse is the last in a "tetrad" — a term for four total lunar eclipses happening at six-month intervals — that has been stunning skywatchers across the United States for the past 18 months,
23 September 2015, 01:42 PM ET
This Sunday night moon observers have the chance to see a lunar triple treat, weather permitting. Not only is it a Harvest Full Moon, but also a so-called supermoon and total lunar eclipse.
23 September 2015, 07:17 AM ET
As you settle in Sunday night to watch the supermoon lunar eclipse, kick back with some moon tunes as chosen by Space.com's staff.
22 September 2015, 05:24 PM ET
This weekend's rare supermoon total lunar eclipse offers a mix of risk and scientific opportunity for NASA's Lunar Reconnaissance Orbiter, which has been studying Earth's nearest neighbor up close since 2009.
21 September 2015, 06:53 AM ET
With a week until the huge supermoon lunar eclipse, it's time to dust off your small telescopes and binoculars, track down an observatory event or webcast, or draft your invitations for a moon-cake party.
18 September 2015, 11:06 PM ET
From a partial solar eclipse to a new view of Pluto, don't miss these amazing space images.
18 September 2015, 01:51 PM ET
An unusual star pattern denoting an exceedingly unusual beast will be visible in the night sky this week — the sea goat.
18 September 2015, 01:23 PM ET
If the weather is clear this evening, skywatchers will get to see two of the most popular objects to view through a telescope: the moon and Saturn.
18 September 2015, 09:25 AM ET
Total solar eclipses are one of nature’s grandest events. What is a total solar eclipse? How do they work? And when is the next one? We explain.
18 September 2015, 07:27 AM ET
Learn what makes a big full moon a true 'supermoon' in this SPACE.com infographic.
17 September 2015, 07:43 AM ET
On Sept. 27, skywatchers throughout the Americas, Europe, Africa and western Asia will witness a total eclipse that happens to occur when the moon looks abnormally large and bright in Earth's sky. Here's the science behind the "supermoon eclipse."
16 September 2015, 07:48 AM ET
Starting with the waxing crescent moon tonight (Sept. 16), skywatchers with binoculars or small telescopes can spot the moon's geographic features in vivid detail. Here's how, and what to look out for.
14 September 2015, 04:20 PM ET
A satellite glimpsed yesterday's (Sept. 13) partial solar eclipse three times from space. Viewers in South Africa saw it just once, and tracked their experience in new skywatching photos.
14 September 2015, 11:16 AM ET
A partial solar eclipse occurred on Sept. 13, 2015. See photos from the event by skywatchers in South Africa and a satellite in space.
12 September 2015, 09:00 AM ET
Sunday's eclipse will be visible directly only to observers in southern Africa, but people everywhere can view it live thanks to a webcast hosted by the Slooh Community Observatory. The show begins at 12:30 a.m. EDT; watch live here at Space.com.
11 September 2015, 09:29 AM ET
What makes the moon turn dark and red? Find out in this SPACE.com infographic.
11 September 2015, 09:29 AM ET
How Solar Eclipses Work: When the moon covers up the sun, skywatchers delight in the opportunity to see a rare spectacle.
10 September 2015, 04:44 PM ET
On Monday, Aug. 21, 2017, the United States will fall under the Moon shadow with huge swaths of the country viewing a total eclipse, while the rest is treated to a partial eclipse. Exact areas can be seen in these visualizations created by NASA.
09 September 2015, 11:00 AM ET
If you want to see an eye-catching celestial display involving a slender crescent moon and two bright planets, then be sure to set your alarm clock to wake you up an hour before sunrise on Thursday morning (Sept. 10).
09 September 2015, 07:00 AM ET
The penguins are in luck, as are many southern skywatchers: A solar eclipse will be visible from Antarctica, southern Africa and the Indian Ocean on Sunday (Sept. 13).
08 September 2015, 06:00 PM ET
A stunning video shows a breathtaking aurora light display captured from the International Space Station by astronaut Scott Kelly, who said it was like no other aurora he'd ever seen.
08 September 2015, 02:27 PM ET
If you see a bright light just above the horizon at sunrise, don't panic! It's not a UFO — it's probably just Venus.
08 September 2015, 02:03 PM ET
The picture, a composite of five images taken Sunday (Sept. 6) from Shenandoah National Park in Virginia by NASA photographer Bill Ingalls, captures a "transit" of the International Space Station (ISS) across the solar disk.
08 September 2015, 11:02 AM ET
The moon will pass into Earth’s shadow producing a total lunar eclipse during the "Supermoon" – a time when the full moon occurs "at or near its closest approach to Earth in a given orbit," according to NASA.
08 September 2015, 07:00 AM ET
An epic moon hangs over the medieval village of Monsaraz, in Portugal, in a new twilight photograph.
04 September 2015, 12:29 PM ET
Mercury is a very challenging planet to view, but this week, skywatchers have a good chance to see it, especially in the Southern Hemisphere.
04 September 2015, 11:55 AM ET
If you live in the eastern-third of the United States or southeast Canada and your local skies are clear on tonight (Sept. 4), take a good close look at the rising moon, which has a celestial date with a star this evening.
01 September 2015, 01:01 PM ET
See what's up in the night sky for September 2015, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
01 September 2015, 12:17 PM ET
An illustrated Web comic by the cartoonist Boulet explains his passion for stargazing, and takes readers on an awe-inspiring tour of the cosmic landscapes made visible by science.
01 September 2015, 07:54 AM ET
The supermoon eclipse, which will grace Earth's skies on Sept. 27, features a full moon that looks considerably larger and brighter than usual. It will be the first such lunar eclipse since 1982, and the last until 2033.