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.
27 February 2012, 12:31 PM ET
See amazing photos of Venus, Jupiter and the moon in a celestial triple conjunction.
25 February 2012, 12:02 PM ET
Venus, Jupiter and Mercury can be seen near the moon at sunset. Mars makes an appearance.
24 February 2012, 11:58 AM ET
Jupiter, Venus and the crescent moon will shine extra bright just after sunset in the western sky this weekend.
23 February 2012, 02:47 PM ET
The Slooh Space Camera will webcast the action live on Feb. 25 and 26.
15 February 2012, 07:00 AM ET
There's no room for multibillion-dollar exploration efforts in the current NASA budget.
13 February 2012, 01:29 PM ET
A hidden lake beneath an icy shelf could provide clues for how to explore Jupiter's ice-covered moon, Europa.
09 February 2012, 04:43 PM ET
Russian scientists have drilled 13,000 feet below Antarctica to the Lake Vostok, sealed off to the world for at least 14 million years, and if life can be found there, it may be possible in similar conditions on Europa and Enceladus.
03 February 2012, 05:18 PM ET
NASA's Juno probe is the first solar-powered spacecraft to the outer solar system.