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05 July 2015, 04:37 AM ET
The probe's handlers lost contact with New Horizons at 1:54 p.m. EDT (1754 GMT) Saturday (July 4) but were able to restore communications at 3:15 p.m. EDT (1915 GMT).
05 July 2015, 03:15 AM ET
Russia's Progress 60 freighter docked with the orbiting lab at 3:11 a.m. EDT (0711 GMT) Sunday, successfully delivering more than 6,100 lbs. (2,770 kilograms) of food, water, fuel and other supplies.
04 July 2015, 07:00 AM ET
A cluster of bright, young blue stars shows up vividly against the red hydrogen gas of their surrounding stellar birthplace in a stunning photo out just in time for the Fourth of July.
04 July 2015, 07:00 AM ET
On July 4, 2005, NASA's Deep Impact spacecraft released an 820-lb. (370 kilograms) probe that smashed into Comet Tempel 1 at 23,000 mph (37,000 km/h), gouging out a crater about 500 feet (150 meters) wide.
04 July 2015, 07:00 AM ET
A skywatcher's guide to the most formidable of thhe constellations, Scorpius (the Scorpion), which now lies low over the southern horizon as darkness falls.
03 July 2015, 03:03 PM ET
NASA's New Horizons probe is about to lift the veil on Pluto. See Space.com's complete coverage of the spacecraft's epic July 14 flyby of the dwarf planet.
03 July 2015, 08:45 AM ET
Bill Borucki — who came up with the idea for the Kepler Space Telescope in the early 1980s and continued championing the concept through four failed proposals until the mission was finally approved in 2000 — is stepping down from NASA today (July 3).
03 July 2015, 07:00 AM ET
NASA astronaut Scott Kelly and cosmonauts Mikhail Korniekno and Gennady Padalka don't have any special plans for the Fourth of July aboard the International Space Station — though Kelly will try to see some the fireworks displays down on Earth.
03 July 2015, 01:10 AM ET
Russia's Progress 60 freighter launched toward the orbiting lab atop a Soyuz rocket at 12:55 a.m. EDT Friday from Baikonur Cosmodrome in Kazakhstan, starting its resupply run off on the right foot after two consecutive cargo-mission failures.
03 July 2015, 12:41 AM ET
A Soyuz rocket carrying the Progress 60 blasted off from the Baikonur Cosmodrome in Kazakhstan on July 3rd, 2015. It is carrying 3 tons of supplies, fuel, water, oxygen, and food to the International Space Station.
02 July 2015, 05:17 PM ET
Though the New Horizons spacecraft's Pluto flyby doesn't occur until July 14, great images from the probe are already rolling in. Here, Space.com highlights some of New Horizons' best Pluto pics from the close encounter's home stretch.
02 July 2015, 04:12 PM ET
The constellation Sagittarius looks like a teapot and will be spew Milky Way 'steam' (aka center of our galaxy) this month. The area is frothy with nebulae, star clusters and, if you have a really good telescope, Pluto.
02 July 2015, 02:24 PM ET
In 2018, a fast moving pulsar (J2032+4127) will whip through its companion star's disk of gas and dust creating an incredible display for gamma ray detectors to reveal. The star (MT91 213) is 15 times larger than the Sun.
02 July 2015, 01:00 PM ET
See images and illustrations of the dwarf planet Pluto and its three — now FIVE! — moons.
02 July 2015, 12:48 PM ET
The rock band Styx toured the control center for NASA's New Horizons mission to Pluto, and learned more about Pluto's smallest moon, also named Styx.
02 July 2015, 12:20 PM ET
The Houston airport where astronauts have departed on training flights for more than 50 years is now host to the United States' 10th commercial spaceport. Ellington Airport was granted a launch site license by the Federal Aviation Administration (FAA).
02 July 2015, 10:54 AM ET
The latest New Horizons' data pouring into NASA servers on Earth has returned color and black & white images of Pluto and Charon and more. The strange dark spots, seen in the approximate true color view, are oddly very similar.
02 July 2015, 09:50 AM ET
Looking at the night sky can be an inspiring moment for kids, and the right telescope can drive an interest in astronomy for a lifetime.
02 July 2015, 07:30 AM ET
An undergraduate astrobiology professor uses art to strengthen her student's critical thinking skills. A new paper details her unique teaching approach.
02 July 2015, 07:30 AM ET
The New Horizons probe has spotted no signs of rings or additional moons in the Pluto system, so the spacecraft will remain on its original trajectory when it zooms past the dwarf planet on July 14, NASA officials announced Wednesday (July 2).
02 July 2015, 07:00 AM ET
With less than two weeks until its close encounter with Pluto, NASA's New Horizon's probe has detected methane ice on the surface of the dwarf planet. Methane was first discovered on Pluto in 1976.
02 July 2015, 07:00 AM ET
After "sleeping" for 26 years, a black hole's activity lit up astronomical observatories on June 15,and it's still going on today.
02 July 2015, 04:00 AM ET
Russia's unmanned Progress 60 freighter is scheduled to arrive at the International Space Station at 3:13 a.m. EDT (0713 GMT) Sunday (July 5). Watch the docking live here at Space.com beginning at 2:30 a.m. EDT (0630 GMT).
02 July 2015, 12:52 AM ET
We already knew about Venus. We had our suspicions about Mars. Now we’re sure.
02 July 2015, 12:00 AM ET
The stars and stripes fly aboard the International Space Station.
01 July 2015, 04:44 PM ET
On June 15th 2015, a black hole 8,000 light years away sprung alive for the first time since 1989, blasting X-rays and gamma rays across the universe. Such objects are called X-Ray novas and act as their own alarm clocks.
01 July 2015, 03:00 PM ET
In anticipation of the New Horizons flyby of Pluto on July 14, this sky chart can help you find Pluto in the night sky (with the assistance of a high-power telescope).
01 July 2015, 03:00 PM ET
Russia's Progress 60 freighter is scheduled to blast off atop a Soyuz rocket from Baikonur Cosmodrome in the central Asian nation of Kazakhstan at 12:55 a.m. EDT Friday (0455 GMT; 10:55 a.m. local time in Kazakhstan).
01 July 2015, 02:00 PM ET
Space.com's editors present a reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.
01 July 2015, 01:10 PM ET
In a pinch, would you rather drive that ship with dilithium crystals or good old-fashioned ion propulsion?
01 July 2015, 01:02 PM ET
Excerpt from the novel "The Fold" by Peter Clines.
01 July 2015, 01:01 PM ET
Strange pits and divots observed on the surface of Comet 67P/Churyumov-Gerasimenko may be sinkholes, not unlike those that appear on Earth, a new analysis suggests.
01 July 2015, 12:14 PM ET
NASA researchers are developing a glider, called Preliminary Research Aerodynamic Design to Land on Mars (Prandtl-m), for possible inclusion on a Mars rover mission in the 2022-2024 time frame.
01 July 2015, 11:15 AM ET
Imagery taken between 28 May and 25 June 2015 from NASA New Horizons' LORRI instrument reveals the best look yet of the icy double dwarf planet Pluto-Charon.
01 July 2015, 11:05 AM ET
While NASA has stated it will rebound from the loss of ISS cargo, space analysts contacted by Space.com have flagged a number of wait-and-see ripple effects stemming from the accident.
01 July 2015, 07:30 AM ET
A group of university engineering students have created — and successfully test-fired — a 3D-printed rocket engine. The students aim to eventually launch tiny satellites to space.