02 June 2012, 06:50 AM ET
Here are some frequently asked questions about the upcoming transit of Venus.
01 June 2012, 03:50 PM ET
The transit of Venus across the sun occurs June 5 and 6. A smartphone app lets you recreate a centuries-old method to compute the size of the solar system.
01 June 2012, 03:35 PM ET
Modern scientists are studying the transit around the world like their 18th century predecessors did.
01 June 2012, 02:58 PM ET
NASA astronaut Don Pettit will capture photos of the Venus transit from the space station's windows.
01 June 2012, 11:28 AM ET
NASA's Solar and Heliospheric Observatory (SOHO) snapped imagery of Venus, almost past Mercury, in anticipation of the Venus Transit of the Sun on June 5-6, 2012 (depending where you are in the world).
01 June 2012, 10:33 AM ET
NASA astronaut Don Pettit had the forethought to bring along some solar filters for the cameras on Station. He will deliver the first images of a Venus Transit, taken by a human in Space from the Space Station's cupola.
01 June 2012, 07:09 AM ET
Several groups will host live webcasts of the historic transit of Venus on June 5.
01 June 2012, 06:29 AM ET
The full moon of June dips into Earth's shadow on June 4 in a partial lunar eclipse.
01 June 2012, 12:00 AM ET
See tips on how to see the June 5 Venus transit of the sun in 2012, the one until 2117, in this SPACE.com infographic.
31 May 2012, 01:53 PM ET
Past planetary transits have offered a rare chance to size up the solar system.
30 May 2012, 07:30 AM ET
The transit of Venus on June 5 will mark the last time humans will see Venus cross the sun in a century.
29 May 2012, 04:05 PM ET
The eclipse will occur when the moon passes behind Earth.
29 May 2012, 01:47 PM ET
The upcoming Venus transit should offer scientists a rare chance to observe the atmosphere of Venus.
29 May 2012, 01:05 PM ET
See images of the Transit of Venus across the sun as witnessed by people throughout history.
29 May 2012, 10:14 AM ET
The transit of Venus across the sun has a long astronomical legacy.
29 May 2012, 06:00 AM ET
Asteroid and comet impacts could have raised Mars' temperature enough to support liquid water.
23 May 2012, 01:53 PM ET
By the end of the 19th Century, the relative spacing of the planets was known but the absolute distance between them was not. This scientific mystery spanning centuries was finally solved by accurate measurement of Venus Transits of 1874 and 1882.
23 May 2012, 01:43 PM ET
Offering un-obstructed views of the Sun from horizon to horizon and superb weather, Hawaii was perfect for astronomers to view Venus Transits in 1874 and 1882. Such observations accurately determined the scale of the Solar System for the first time.
23 May 2012, 01:34 PM ET
Sky-watching, navigation and the poetry of the cosmos runs deep in Hawaiian culture. Now Hawaiian elementary school students are diving deeply into astronomy’s the history and future through the Venus Transit.
23 May 2012, 01:07 PM ET
In 1882, scientists determined Earth’s distance from the Sun by measuring the Venus Transit. This process, now applied in NASA orbiting Kepler Mission, discovers new planets by measuring the light-curve of transit across other stars faraway.
23 May 2012, 12:29 PM ET
Hawaii is a metaphor for Earth’s place in the cosmos. Native Hawaiians have long recognized the sky’s spiritual and intellectual value. Hawaii hosted observers of the Venus Transits of 1874 & 1882; and it warmly supports astrophysicists today.
23 May 2012, 11:47 AM ET
On June 5th or 6th, 2012 (depending on your global location) Venus appeared to cross the face of the Sun for the final time until 2117. See this magnificent event and discover the history and science of the Transit of Venus.
21 May 2012, 07:00 AM ET
Venus will trek across the sun's face on June 5, marking the last such transit until 2117.
16 May 2012, 01:01 PM ET
Watching Venus trek across the sun's face could help planet hunters hone their techniques.
14 May 2012, 03:15 PM ET
Skywatchers in New York safely observed the sun in April to preview for a solar eclipse and Venus transit.
14 May 2012, 07:00 AM ET
Scientists with NASA's Solar Dyamics Observatory probe will head to Land of the Midnight Sun next month.
12 May 2012, 08:06 AM ET
From the winner of a seat to space to photos of the supermoon sinking, it's been a busy week in space.
10 May 2012, 04:00 PM ET
Avid astrophotographer Ajay Talwar snapped a stunning photo series of the moon and Venus over Delhi, India.
07 May 2012, 03:24 PM ET
After the June 5/6 event, the next trek of Venus across the sun's face comes in 2117.
07 May 2012, 07:36 AM ET
From the bright supermoon to earth-like alien planets munching on stars, it's been a busy week in space.
04 May 2012, 03:04 PM ET
The goal is to gauge the composition of Venus' atmosphere.
04 May 2012, 12:04 PM ET
Starting from the surface of the morning star and ending with a view from above Earth. The transit will become reality for human eyes on June 5, 2012 for the last time until 2117.
01 May 2012, 02:32 PM ET
Highlights of the month include the Eta Aquarid meteor shower, which peaks on May 6th and an annular solar eclipse that will be seen in the western United States. Venus, Saturn and Mars are part of the planetary spectacle in the night sky.
30 April 2012, 06:00 AM ET
Skywatcher and photographer Stefano De Rosa snapped this view of his three children enjoying the night sky.
27 April 2012, 01:40 PM ET
Venus reaches maximum brightness this week, making it a must-see for skywatchers.
27 April 2012, 09:23 AM ET
The president took some time to gaze skyward this week at Colorado's Buckley Air Force Base.