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.
14 January 2015, 05:40 PM ET
A large asteroid about a third of a mile wide will buzz safely by Earth on Jan. 26, and mark the planet's closest encounter with a space rock of its size until 2027.
14 January 2015, 07:00 AM ET
On Dec. 29, CIA officials suggested via Twitter that many UFOs reported in the 1950s and '60s were actually high-flying U-2 spy planes.
13 January 2015, 10:00 PM ET
The universe was born with the Big Bang as an unimaginably hot, dense point. SPACE.com offers an overview of the universe and its history, age and structure.
13 January 2015, 05:21 PM ET
New images and a movie show Comet Lovejoy in all its glowing green glory.
13 January 2015, 03:17 PM ET
Watch the shimmering parade of surface feature names dance in step with the moving terminator as Luna's phase, libration and position angles during the year’s course are animated and time-stamped.
13 January 2015, 11:30 AM ET
This stunning image shows a bright supernova in the Superwind galaxy taken on Jan. 2 by astrophotographer Justin Ng.
11 January 2015, 10:16 AM ET
This incredible time-lapse of Earth from space was created from about 12,500 images taken by ESA astronaut Alexander Gerst during his six-month stay on the International Space Station.
09 January 2015, 02:52 PM ET
SpaceX is set to launch its Dragon spacecraft in the wee hours of Saturday, Jan. 10, and the predawn Falcon 9 rocket liftoff just might be visible to early-bird skywatchers long the U.S. East Coast. Here's how to see it.
09 January 2015, 02:30 PM ET
Amateur astronomers captured amazing photos of a bright comet as it raced across the sky this week. See the amazing photos from Tyler Leavitt in Las Vegas and Chad Bakley in Cape May, New Jersey.
09 January 2015, 11:50 AM ET
Binoculars are great for all kinds of stargazing, for beginners and seasoned veterans alike. Here are some of the best binoculars for astronomy.
09 January 2015, 10:16 AM ET
Read our telescopes for beginners review to find the best telescope for you.
08 January 2015, 03:43 PM ET
The hard-to-spot planet Mercury can be found near Venus just after sunset this week, offering a great chance to see the closest planet to sun. Here's how to see Mercury and Venus together in January's night sky.
07 January 2015, 03:12 PM ET
Skywatchers have a chance to spot the bright planet Jupiter and the moon sparkling brightly in the sky tonight, weather permitting, but only if you know when and where to look.
07 January 2015, 02:38 PM ET
The bright green Comet Lovejoy C/2014 Q2 is shining at its best this week as it passes through the constellation Eridanus, the Heavenly River. Here's how to see it.
05 January 2015, 03:04 PM ET
Early-bird skywatchers along the eastern United States have an opportunity, weather permitting, to see the private spaceflight company SpaceX launch a robotic Dragon capsule to the International Space Station before dawn on Tuesday (Jan. 6).
05 January 2015, 01:42 PM ET
Skywatchers will be treated to a fascinating ballet of the so-called Galilean moons throughout the month, as the satellites pass one another, sometimes blocking (occulting) or casting shadows (eclipsing) and casting shadow onto Jupiter’s cloud tops.
05 January 2015, 11:48 AM ET
An highly active sun encouraged photographer Chad Blakley (lightsoverlapland.com) to capture the Northern Lights from two different vantage points in Abisko National Park on Dec. 28th, 2014.
05 January 2015, 10:24 AM ET
The newfound Comet Lovejoy (C/2014 Q2) is amazing stargazers in telescope views. See photos of Comet Lovejoy in this gallery of images sent in to Space.com by amateur astronomers.
04 January 2015, 10:07 AM ET
Mercury and Venus will dazzle skywatchers this January. Check out Space.com to find out when and where to see this month's best skywatching events.
03 January 2015, 09:12 AM ET
Streaks of red light paint the New Year's Eve night sky in this gorgeous image from photographer Miguel Claro.