07 October 2015, 05:51 PM ET
A strong geomagnetic storm is amplifying the Earth's northern lights tonight (Oct. 7), making auroras potentially visible as far south as Pennsylvania, Oregon and Iowa, space weather experts say.
07 October 2015, 04:00 PM ET
It's officially autumn, and time once again to seek out the two most distant planets of our solar system, Uranus and Neptune.
07 October 2015, 03:30 PM ET
If you’re delighted by the ever-changing sky, here are some of its brightest inhabitants to watch for this week just before dawn.
07 October 2015, 07:01 AM ET
A sounding rocket is scheduled to launch from NASA's Wallops Flight Facility in Virginia at 7 p.m. EDT Wednesday and deploy colorful clouds of barium and strontium. You can watch live here at Space.com, thanks to a webcast provided by NASA TV.
07 October 2015, 07:00 AM ET
A prolific comet hunter has donated almost 60 years' worth — and counting! — of historic observation logs to be pored over by the public.
06 October 2015, 02:03 PM ET
If all goes according to plan, a NASA rocket launch Wednesday evening (Oct. 7) will produce multicolored patches of light in the darkening sky visible to many people in the Middle Atlantic and Northeast United States.
06 October 2015, 01:20 PM ET
Skywatchers have a chance to see some "shooting stars" this week during the annual Draconid meteor shower. The meteor display, which peaks overnight on Thursday and Friday (Oct. 8 and 9) is caused by the remains of a comet raining down on Earth.
06 October 2015, 10:10 AM ET
irgin Galactic announced Sept. 28 it has made “significant progress” on the engines that it will use on its LauncherOne small satellite launch vehicle.
05 October 2015, 05:15 PM ET
Here's a guide for October skywatchers: First catch Saturn, then Jupiter, Mars and Venus, and finally Mercury in the night sky as this month's planetary parade begins.
05 October 2015, 05:00 PM ET
Find out what's up in your night sky during October 2015 and how to see it in this Space.com stargazing guide.
05 October 2015, 05:00 PM ET
See what's up in the night sky for October 2015, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
04 October 2015, 09:29 AM ET
The Slooh Community Observatory will host a free webcast tonight, Oct. 4, to discuss the new film "The Martian" and Mars exploration. You can watch it live here at 7 p.m. ET, courtesy of Slooh.
03 October 2015, 09:59 AM ET
There's water on Mars, a resupply spaceship at the International Space Station, a science-heavy survival novel on the big screen and something moving inside Saturn. These are our best space stories of the week.
02 October 2015, 08:54 PM ET
From the discovery of water on Mars to stunning reader images of the Supermoon eclipse, don't miss these amazing space images.
01 October 2015, 05:59 PM ET
From the Moon, to Auroras, to the Zodiacal Light and more, NASA's Jet Propulsion Laboratory counts down their favorites for October in their 100th 'What's Up' episode.
01 October 2015, 01:16 PM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in September 2015.
01 October 2015, 01:12 PM ET
Andromeda (M31) is the nearest spiral galaxy to the Milky Way and the farthest object that can bee seen with the naked eye. With binoculars or a telescope, you can spot M32, a small companion galaxy that Andromeda will one day consume.
30 September 2015, 01:18 PM ET
The next two weeks provide an excellent opportunity to spot the brightest asteroid visible from Earth, Vesta — one of the best-known objects in the solar system.
28 September 2015, 02:59 PM ET
Some of the best supermoon photos come from the darkest skies.
28 September 2015, 02:26 AM ET
A total lunar eclipse will spawn a rare ‘supermoon’ blood moon on Sept. 27, 2015. See our complete coverage of the total eclipse of the moon.
28 September 2015, 02:10 AM ET
On Sunday evening, a moon that appeared abnormally large and bright in Earth's skies dove into the planet's shadow, turning a gorgeous reddish-gold in the process. It was the first supermoon total lunar eclipse since 1982, and the last until 2033.
28 September 2015, 01:37 AM ET
A rare 'supermoon' blood moon lunar eclipse occurred on Sept. 27, 2015. See amazing photos of the lunar sight by skywatchers here.
27 September 2015, 11:31 AM ET
About 70 percent of the country will be able to get a good view of the supermoon total lunar eclipse tonight (Sept. 27), according to weather forecasts. But observers in much of the Eastern U.S. may be out of luck.
27 September 2015, 11:02 AM ET
As you watch and enjoy the total eclipse of the Harvest Full Moon, read on below to see 10 things about this shady little drama that might surprise you.
27 September 2015, 07:54 AM ET
During the total lunar eclipse tonight (Sept. 27), the full moon will shine as a traditional "harvest moon." See where the harvest moon full moon gets its name.
27 September 2015, 07:01 AM ET
To see this weekend's lunar eclipse, check out the webcast by the Slooh Community Observatory, which you can watch live right here on Space.com
26 September 2015, 08:13 AM ET
Veteran astrophotographers Imelda Joson and Edwin Aguirre give tips on how to photograph sunday’s total lunar eclipse.
26 September 2015, 07:27 AM ET
A lunar eclipse provides spectacular viewing opportunities for everyone, from amateur skywatchers to experienced observers — read on to learn how to describe what you see.
26 September 2015, 07:25 AM ET
A gorgeous spherical lamp called Luna lets you bring a moon replica straight into your home.
25 September 2015, 06:00 PM ET
Veteran space photographers Edwin Aguirre and Imelda Joson show ways to photograph lunar eclipses in this photo guide.
25 September 2015, 04:02 PM ET
On Sunday (Sept. 27), skywatchers across the United States have a special treat: The full "supermoon" (a full moon when the moon is closest to Earth) will go into eclipse. A lunar eclipse occurs when the moon passes into the shadow of the Earth.
25 September 2015, 02:54 PM ET
What should observers expect to see happen during Sunday night's total lunar eclipse? Check out our guide to find out!
24 September 2015, 06:42 PM ET
The two celestial objects form a striking "double star" about one-quarter of the way up in the eastern sky one hour before sunrise through the end of September. They are closest together early Friday morning (Sept. 25).
24 September 2015, 02:50 PM ET
What should you serve for Sunday's supermoon lunar eclipse? Space.com has a few moon-themed suggestions.
24 September 2015, 02:50 PM ET
In celebration of the total lunar eclipse this weekend, we've cooked up some moon-inspired cocktails that are sure to spice up your lunar viewing party.
24 September 2015, 09:33 AM ET
As the full moon moves into the darkest part of Earth's shadow Sunday night (Sept. 27), tune into these live webcasts for expert commentary and a crystal-clear view.