23 June 2015, 11:34 AM ET
Auroras reached as far south as Philadelphia yesterday (June 22) after a massive burst of particles was ejected from the sun and pummeled Earth's atmosphere. This strong solar storm continues to rage, and auroras are expected be visible again tonight.
21 June 2015, 11:44 AM ET
From a breathtaking view of Saturn's Dione to the 'Spit of Satan,' check out these amazing space images.
21 June 2015, 11:33 AM ET
Crashed comet lander Philae phones home. A dead satellite falls to Earth. Mars shows both methane-laced meteorites and a possibly icy past, and the moon's dust gets a source in the best of this week's space news.
21 June 2015, 08:25 AM ET
Early summer is an "in-between" time in the skies. The realm of the galaxies has moved off to the west, but the summer Milky Way has not yet arrived. This is the best time of year to observe globular clusters and double stars.
21 June 2015, 07:21 AM ET
Dads everywhere will celebrate Father's Day today (June 21), and the Earth is joining the fun this year with the summer solstice, kicking off the first day of the northern summer.
19 June 2015, 09:46 PM ET
What better place to hold a star party than the rims of the Grand Canyon?
19 June 2015, 12:16 PM ET
Our galaxy shimmered over the national park in Arizona on June 20, 2011. Photography specs: sequence of 35 second exposures with Canon XSi, ISO 1600 and Nikon 16mm F/2.8 fisheye. Tracked during sequence with vertically-oriented old Celestron 5" fork.
12 June 2015, 04:10 PM ET
A low-cost telescope that takes its inspiration from Galileo — the famed Italian astronomer who discovered the moons of Jupiter in the 16th century — is once again available to celebrate the United Nations 2015 International Year of Light.
12 June 2015, 06:43 AM ET
The night sky features a swan, an eagle, a dove, a crane, a toucan, a peacock, a bird of paradise and even a mythical phoenix. And over toward the south as night falls during these late spring evenings is yet another: Corvus, the Crow.
12 June 2015, 06:30 AM ET
A skywatcher's guide to the constellation Ursa Minor, also known as the Little Dipper or the Little Bear. Most people have never seen the Little Dipper, simply because most of its stars are too dim to be viewed through light-polluted skies.
11 June 2015, 03:40 PM ET
Have you ever seen a real asteroid in the sky? This week is an excellent opportunity to see one of the largest asteroids, Pallas, as it reaches opposition to the sun.
11 June 2015, 11:57 AM ET
The planet Uranus will slip behind the moon today (June 11) in a celestial event known as an occultation, and you have a chance to watch it live at Slooh.com courtesy of the Slooh Community Observatory.
06 June 2015, 07:54 AM ET
If you've been watching the sky in the early evening lately, you can't have missed seeing the planet Venus in the west and now this planet is putting on brilliant show in the night sky.
05 June 2015, 05:03 PM ET
With the northern summer just a few weeks away, the month of June is bringing a delight of planets in the night sky for stargazers to enjoy, but only if weather permits and you know when and where to look.
05 June 2015, 10:18 AM ET
Space.com reader Jatin Thakkar sent in a photo of the Milky Way over the A. M. Foster Covered Bridge in Marshfield, Vermont.
04 June 2015, 01:40 PM ET
Dwarf planet Ceres and asteroid Pallas, discovered in 1801 and 1802, are visible in the night sky in June. Ceres was originally classified as a planet, then an asteroid, and finally a dwarf planet after further observation.
01 June 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in May 2015.
31 May 2015, 07:00 AM ET
NASA announced the science instruments for its mission to Europa, SpaceX was certified for U.S. military launches and a tiny solar-sailing spacecraft suffered a glitch in orbit. Here's a look at Space.com's top stories of the week.
30 May 2015, 11:13 AM ET
From a nebula's crimson heart to a dragon's-eye view, don't miss these amazing space images of the week for May 31, 2015.
30 May 2015, 08:58 AM ET
The Earth's precession is captured in stunning detail in this image by astrophotographer Miguel Claro from inside the Mourão Castle, in the Dark Sky Alqueva Reserve.
29 May 2015, 07:48 PM ET
Hercules, Boötes (Herdsman), and Draco (Dragon) constellations are highlights for sky gazers in June. Also, Venus and Jupiter are bright in the evening sky and Jupiter rings are viewable with binoculars in the southern sky.
29 May 2015, 02:58 PM ET
Astrophotographer Giuseppe Petricca took this image of the ISS, the Moon, Venus, Mars, Mercury and the Leaning Tower of Pisa from Pisa, Tuscany, Italy.
29 May 2015, 11:00 AM ET
See what's up in the night sky for June 2015, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
28 May 2015, 05:25 PM ET
Amateur astronomers are interested in seeing Pluto with their own telescopes, and this is what we will discuss here. Pluto is at present around 14th magnitude, requiring a telescope with at least 8 inches (200mm) aperture.
28 May 2015, 11:10 AM ET
See amazing amateur astronomy photos and night sky views sent in to SPACE.com by readers in May 2014 in our month-long running gallery.
28 May 2015, 07:16 AM ET
Astrophotographer A. Garrett Evans took this image of the Milky Way over Popham Beach State Park in Maine the morning of April 18, 2015 as a 9-shot panorama.
27 May 2015, 03:24 PM ET
This image of the Bubble Nebula was taken by astrophotographer Jaspal Chadha from London.
27 May 2015, 07:00 AM ET
The free Pluto Safari app, which came out last month, keeps tabs on NASA's New Horizons mission, counting down its July 14 close encounter to the second, and teaches users about the frigid, distant realm the spacecraft is exploring.
23 May 2015, 08:44 AM ET
If your local weather is clear tonight (May 23), check out the western sky around mid-twilight – about an hour after sunset. There, about half way up from the south-southwest horizon to the overhead point, you’ll see an eye-catching sight for the Memorial
21 May 2015, 01:45 PM ET
Bright red veins lace across the sky and feed into enormous crimson clouds that look like living hearts, in these breathtaking views of the Gamma Cygni nebula and surrounding region.
21 May 2015, 07:00 AM ET
On Thursday evening (May 21) as darkness falls, the two brightest objects of the night will be calling attention to themselves. The crescent moon will be accompanied by the brightest planet, the dazzling so-called "evening star": the planet Venus.
20 May 2015, 05:40 PM ET
The striking arms of the Whirlpool galaxy can be seen in stunning detail in this astrophotographer image by Jaspal Chadha.