08 May 2012, 12:35 PM ET
Italian astronomer Galileo Galilei made a number of inventions and discoveries that remain important to astronomy and science in general today.
30 April 2012, 06:00 AM ET
Skywatcher and photographer Stefano De Rosa snapped this view of his three children enjoying the night sky.
25 April 2012, 07:25 PM ET
This up close and personal look at the gas giants and their moons was stitched together by Sander van den Berg using imagery captured by NASA's Voyager and Cassini spacecrafts. Van den Berg named the black and white piece 'Outer Space'.
24 April 2012, 09:00 AM ET
Test your knowledge of these leftovers from the solar system's birth.
20 April 2012, 02:49 PM ET
The giant planet will be lost in the sunset glow after Sunday.
06 April 2012, 01:19 PM ET
Venus and Jupiter appeared to come closer this year and then passed each other on March 13.
04 April 2012, 12:00 PM ET
Jupiter, the moon and Venus align over a shining castle in skywatcher’s photo.
04 April 2012, 07:00 AM ET
A new study should help future missions determine how deep to dig for life on Europa.
28 March 2012, 07:00 AM ET
Orionid outbursts result from a complex orbital interplay among Jupiter, Halley's Comet and its sloughed-off bits.
26 March 2012, 06:43 PM ET
Two of the telescopes were found in the 18th-century equivalent of toilets.
25 March 2012, 04:58 AM ET
From runaway planets to a submarine on Jupiter, it's been a busy week in space. Vote for the week's best space story.
24 March 2012, 07:00 AM ET
Skywatchers can experience this weekend's planetary conjunction with NASA and the Slooh Space Camera.
23 March 2012, 11:09 AM ET
Venus and Jupiter are beacons you can’t miss.
22 March 2012, 07:00 AM ET
Of course, it would not be easy.
21 March 2012, 01:52 PM ET
See stunning views of Jupiter's moon Io and its many volcanoes.
20 March 2012, 06:12 PM ET
Io is the most volcanically active object in the solar system.
19 March 2012, 07:41 AM ET
Astronomers examined how a wave of so-called chevrons disturbed one of Jupiter's fast-moving jet streams.
16 March 2012, 09:03 AM ET
During its slow fly-by of Jupiter, NASA's Cassini spacecraft captured imagery of wave motion in the fast-moving jet streams that are a signature of the gas giant.
15 March 2012, 12:04 PM ET
Jupiter may cause more asteroids and comets to hit our planet.
14 March 2012, 08:28 PM ET
The nation also wants to send spacecraft to Venus, Mars and Jupiter by 2030.
14 March 2012, 07:00 AM ET
After a long buildup, the two planets finally came together in the sky last night.
13 March 2012, 05:37 PM ET
Observers around the world have snapped stunning pictures of the two planets.
13 March 2012, 03:43 PM ET
A century-old bridge in rural Sweden makes for a perfect setting for spotting familiar objects in the night sky.
12 March 2012, 06:50 PM ET
Amazing skywatcher shots of Venus and Jupiter hanging together in the sky.
12 March 2012, 05:55 PM ET
The dazzling one-minute video was shot last week.
12 March 2012, 01:31 PM ET
Venus and Jupiter cruise over Colorado's iconic Flatiron Mountains in this video, shot from March 5-9, 2012 by Patrick Cullis.
12 March 2012, 07:00 AM ET
The two planets will come together in the night sky this Thursday (March 15).
09 March 2012, 02:41 PM ET
Consider these facts when spotting Venus and Jupiter close in the sky.
08 March 2012, 03:52 PM ET
Skywatchers can spot the full moon, Venus, Jupiter, Mercury and perhaps even Uranus tonight.
08 March 2012, 12:58 PM ET
The planets Jupiter and Venus will meet up in the sky March 15.
02 March 2012, 12:42 PM ET
The Red Planet's nearest approach to us occurs as the Morning Star and the Largest Gas Giant appear together for a planetary spectacle in March 2012. The spring equinox brings about the Sun-Earth Day celebration and Comet Garrard joins the party.
01 March 2012, 05:32 PM ET
Chemicals on Europa's surface may turn its subsurface ocean into a huge acid bath.
29 February 2012, 01:59 PM ET
In this space wallpaper, a United Launch Alliance Atlas 5 rocket blasts off from Space Launch Complex-41 at Florida's Cape Canaveral Air Force Station on Feb. 24, 2012, with the U.S. Navy’s Mobile User Objective System-1 (MUOS-1) satellite.
28 February 2012, 05:21 AM ET
Matt Hartman captured Venus, Jupiter and the Moon on the move in this time-lapse. Recorded on February 25th, 2012.
27 February 2012, 12:54 PM ET
Roberto Porto captured this incredible imagery of Venus, Jupiter and the Moon (seen on the horizon) on the road to Teide National Park in Tenerife, Spain. Taken on February 24, 2012.
27 February 2012, 12:32 PM ET
Jupiter and Venus lined up with the moon, and will get even closer together in March.