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12 June 2015, 04:10 PM ET
A low-cost telescope that takes its inspiration from Galileo — the famed Italian astronomer who discovered the moons of Jupiter in the 16th century — is once again available to celebrate the United Nations 2015 International Year of Light.
12 June 2015, 03:11 PM ET
The many "faces" of Pluto are visible in new images by NASA's New Horizons probe, which is only one month away from the first-ever close encounter with the dwarf planet.
12 June 2015, 11:59 AM ET
"Lift-off! We have a lift-off, 32 minutes past the hour. Lift-off on Apollo 11..." It was with those words that Jack King, NASA's "Voice of Apollo," gave start to the first mission to land men on the moon. King died Thursday, June 11, 2015. He was 84.
12 June 2015, 11:05 AM ET
J.L. Pickering usually doesn't take kindly to books that claim "never before seen" NASA photos. One half of the team behind the new title "Spaceshots and Snapshots of Projects Mercury and Gemini," he's almost assuredly already seen them.
12 June 2015, 10:53 AM ET
Before a Soyuz space capsule returned NASA astronaut Terry Virts to Earth Thursday (June 11), he took time out in space to photograph the Earth below, capturing spectacular vistas of the Pyramids of Egypt, our home planet at night and what looked to be a
12 June 2015, 06:43 AM ET
The night sky features a swan, an eagle, a dove, a crane, a toucan, a peacock, a bird of paradise and even a mythical phoenix. And over toward the south as night falls during these late spring evenings is yet another: Corvus, the Crow.
12 June 2015, 06:30 AM ET
The area of our solar system where Mercury resides may once have held as many as four rocky planets. Violent collisions could have left it as the last survivor.
12 June 2015, 06:30 AM ET
At the 2015 World Science Festival, four prominent astrophysicists discussed one of the most troubling (and embarrassing) puzzles in modern physics, and whether a theory of multiple universes can hope to solve it.
12 June 2015, 06:30 AM ET
The new series "Dark Matter" centers on a spaceship crew of six people who wake up to find they have no idea who they are or how they got there. The show is based on a comic book by "Stargate" alumni Joe Mallozzi and Paul Mullie, and debuts tonight.
12 June 2015, 06:30 AM ET
A skywatcher's guide to the constellation Ursa Minor, also known as the Little Dipper or the Little Bear. Most people have never seen the Little Dipper, simply because most of its stars are too dim to be viewed through light-polluted skies.
11 June 2015, 06:19 PM ET
The website PornHub aims to raise $3.4 million via the crowdfunding site Indiegogo for a film that would feature Eva Lovia and Johnny Sins doing what comes naturally in suborbital space.
11 June 2015, 06:11 PM ET
The new science fiction TV series "Dark Matter," about six people who wake up on a spaceship with no memories, is packed full of mystery. The show's co-creator Joe Mallozzi talked with Space.com about what viewers can expect from the first season.
11 June 2015, 05:01 PM ET
The NASA probe's LORRI instrument snapped new imagery of the double planet from May 28th until June 3rd, 2015. The ice dwarfs' features are starting to come into focus. 
11 June 2015, 03:40 PM ET
Have you ever seen a real asteroid in the sky? This week is an excellent opportunity to see one of the largest asteroids, Pallas, as it reaches opposition to the sun.
11 June 2015, 03:11 PM ET
WASP-33b, an exoplanet 4 1/2 times more massive that Jupiter, has a layer in its atmosphere that absorbs ultraviolet radiation, preventing UV from reaching the surface. Earth has a similar stratospheric UV filter.
11 June 2015, 02:00 PM ET
SyFy new original series "Dark Matter" follow spaceship crewmembers show awaken with no recollection of their pasts.
11 June 2015, 12:12 PM ET
New images of Jupiter's volcanic moon Io show "hotspots" happening in different spots on a volcanic lake. Even more surprising given the lake's small size: the images were taken from Earth.
11 June 2015, 11:57 AM ET
The planet Uranus will slip behind the moon today (June 11) in a celestial event known as an occultation, and you have a chance to watch it live at Slooh.com courtesy of the Slooh Community Observatory.
11 June 2015, 11:06 AM ET
ESA astronaut Samantha Cristoforetti gives a tour of her "bedroom" aboard the International Space Station.
11 June 2015, 10:01 AM ET
Three space station crew members have returned home to the Earth after spending nearly 200 days off the planet. American Terry Virts, Russian Anton Shkaplerov and Italian astronaut Samantha Cristoforetti are back on Earth.
11 June 2015, 09:52 AM ET
Terry Virts (NASA) and Samantha Cristoforetti (ESA) and Anton Shkaplerov (Roscosmos) landed aboard a Soyuz capsule southeast of Dzhezkazgan, Kazakhstan on June 11th, 2015.
11 June 2015, 07:14 AM ET
Fifteen-year-old Tom Wagg first spotted the Jupiter-size exoplanet two years ago. Further observations have now confirmed the existence of WASP-142b, which lies about 1,000 light-years from Earth.
11 June 2015, 07:12 AM ET
Registration is now open for a November conference that aims to help bring space technologies down to Earth. The first-ever SpaceCom (short for the Space Commerce Conference and Exposition), which runs from Nov. 17 through Nov. 19 in Houston.
11 June 2015, 07:00 AM ET
The new photos from NASA's Dawn spacecraft resolve Ceres' bright spots into numerous points of varying sizes. But researchers still don't know what the spots are.
11 June 2015, 06:20 AM ET
Poised on the edge of a galactic desert is NGC 6503, a galaxy that appears so alone in the universe that some scientists have called it "lost in space."
10 June 2015, 06:57 PM ET
Russian flight controllers quickly fixed the issue, which posed no threat to the station's six crewmembers and it will not affect plans to return three of these spaceflyers to Earth early Thursday (June 11), NASA officials said.
10 June 2015, 05:17 PM ET
Mapping our Milky Way galaxy is a mind-bending challenge, but a new view of our galactic home is helping refine that map by charting more than 400 clusters where new stars are born.
10 June 2015, 03:44 PM ET
LightSail, whose mission is funded by members and supporters of the Planetary Society, overcame two separate glitches before unfurling its solar sail on Sunday. A photo captured by the cubesat confirmed the successful deployment.
10 June 2015, 02:51 PM ET
The legacy of Leonard Nimoy has reached the Final Frontier: on June 2, a 6-mile-wide asteroid was named 4864 Nimoy in his honor.
10 June 2015, 01:34 PM ET
Are they ice? Salt? Something exotic? NASA is still baffled by the origin of the bright spots observed by the Dawn Mission but the latest mapping orbit of 2,700 miles (4, 400 km) above the surface reveals the best detail yet.
10 June 2015, 01:01 PM ET
Saturn's giant newfound ring is even larger than previously thought, spanning an area of sky nearly 7,000 times larger than Saturn itself, researchers say.
10 June 2015, 11:15 AM ET
Average distances between galaxies are relatively much smaller than average distances between individual stars. Not so galaxy NGC 6503, which is on its own in a region known as the Local Void, about 17 million light years away from Earth.