01 November 2012, 05:10 PM ET
The discovery comes from observations made by two Venus-observing probes over the course of three decades.
01 November 2012, 10:07 AM ET
This month will see Saturn and Venus come very close to one another in the night sky, the mid-month peak of the Leonid meteor shower, solar eclipse in Australia and more.
01 November 2012, 07:00 AM ET
Titan's glow works a little like a neon sign.
28 October 2012, 01:10 AM ET
Storms can exist on any planet with an atmosphere, even the sun.
26 October 2012, 05:00 PM ET
The rocky, metallic worlds of the inner solar system look quite different from those of the outer solar system, one theory supposes they formed in much the same way. However, a competing theory suggests they may have formed from different components.
11 October 2012, 04:47 PM ET
Although Venus and Earth are nearly twins in size and mass, a pressure cooker atmosphere makes Venus extremely inhospitable. Sulfuric acid clouds swirl about a volcanic surface more than 900° F.
10 October 2012, 11:19 AM ET
The two brightest objects in the sky may be visible as you wait for your train or bus.
09 October 2012, 12:04 PM ET
False-colour image of cloud features seen on Venus by the Venus Monitoring Camera (VMC) on Venus Express is seen in this cool space wallpaper.
01 October 2012, 05:46 PM ET
Venus and the bright star Regulus are brilliant beacons in the pre-dawn sky.
01 October 2012, 03:55 PM ET
Part of Venus' atmosphere may be cold enough to form carbon dioxide snow.
01 October 2012, 02:00 PM ET
The closest spiral galaxy to our own; a brilliant 'morning star' in the eastern sky; and bits of Comet Halley's tail highlight an eventful month for star gazers.
19 September 2012, 05:38 PM ET
The Pleiades star cluster stands highest in the sky appearing as a close group of bright blue dots.
04 September 2012, 04:26 PM ET
Researchers may be able to use this information to learn more about comets' paths around the sun.
04 September 2012, 11:50 AM ET
This September skywatchers can catch a glimpse of four planets (Venus, Mars, Jupiter, and Saturn) as well as a visual trick in the constellation Capricornus that makes two stars look like one oddly enlongated star.
29 August 2012, 07:01 AM ET
A number of night sky superlatives are overhead now.
28 August 2012, 09:30 AM ET
The brightest planet and the largest star are just the start of the night's sky's extreme objects.
23 August 2012, 11:28 AM ET
This early morning shot of the iconic salt march captures the crescent moon with Jupiter and Venus.
10 August 2012, 08:54 AM ET
The annual meteor shower reaches its high point on August 11-13, 2012. Jupiter, Venus, the crescent moon and red giant star Aldebaron add to the skywatching spectacle.
09 August 2012, 10:19 PM ET
See sky maps to help spot the skywatching events of August 2012.
09 August 2012, 05:30 PM ET
Serene morning image features the crescent moon, Taurus, Jupiter and Venus.
06 August 2012, 08:00 AM ET
Mariner 1 launched for orbiting Venus.
16 July 2012, 12:17 PM ET
See spectacular stargazer photos of Jupiter, Venus and the moon shining together in the night sky during July 2012.
14 July 2012, 07:00 AM ET
The trio will be visible in the early morning sky on July 15.
12 July 2012, 05:47 PM ET
Night sky photographer Ajay Talwar shoots bright planets in beautiful conjunction over historic Lodi Gardens in India.
12 July 2012, 10:40 AM ET
See our favorite images of July 2012 skywatching events submitted by SPACE.com readers.
09 July 2012, 04:33 PM ET
Night sky watchers will have a variety of events to enjoy in July 2012.
06 July 2012, 05:13 PM ET
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
03 July 2012, 11:05 PM ET
Being awake at dawn has its benefits in July as Venus and Jupiter converge and set the table for a skywatching show that also stars the crescent Moon with Earthshine, a star cluster and more.
09 June 2012, 07:38 AM ET
Astrophotographer Thierry Legault snapped the spectacular image from Australia.
08 June 2012, 06:36 AM ET
Skywatcher P-M Heden took this spectacular photo from Sweden’s capital Stockholm on March 11.
07 June 2012, 03:09 PM ET
See how astronomers at Mount Wilson Observatory's Solar Tower captured the Venus Transit of 2012.
06 June 2012, 06:45 PM ET
Stunning photos of the historic celestial event from Southern California.
06 June 2012, 05:52 PM ET
Stunning photos of the 2012 Venus transit by astrophotographers Imelda Joson and Edwin Aguirre.
06 June 2012, 05:06 PM ET
In this stunning space wallpaper, Hinode captured this stunning view of the transit of Venus on June 5, 2012,-- the last instance of this rare phenomenon until 2117.
06 June 2012, 11:03 AM ET
On June 5-6 2012, SDO collected images of one of the rarest predictable solar events: the transit of Venus across the face of the sun in this cool space wallpaper.
05 June 2012, 10:47 PM ET
See photos of the 2012 Venus transit sent in by skywatchers from around the world.