14 July 2015, 05:26 PM ET
NASA's New Horizons spacecraft performed the first-ever close flyby of Pluto this morning (July 14). Space.com managing editor Tariq Malik tells us what it was like to be at mission control for the historic moment.
14 July 2015, 05:00 PM ET
The surfaces of Pluto and Charon don't actually look like the inside of a kaleidoscope, but colorful new images reveal materials on the surface and give hints at the history of these two far-out objects.
14 July 2015, 04:06 PM ET
As NASA's New Horizons team members wait in anticipation for the spacecraft to send home its highly anticipated close-approach images of Pluto, they'll be making sure not to jinx the mission.
14 July 2015, 04:01 PM ET
Pluto, Charon, and other large objects in the outer reaches of the solar system could boast icy plumes, and NASA's New Horizons mission could find them.
14 July 2015, 02:47 PM ET
From one icon of science to another: in a video message posted this morning (July 14), physicist Stephen Hawking congratulated the New Horizons team on the spacecraft's flyby of Pluto.
14 July 2015, 01:16 PM ET
Science and distance conspire to create a long silence from NASA's New Horizons spacecraft, which flew by Pluto this morning (July 14).
14 July 2015, 01:11 PM ET
Space.com managing editor Tariq Malik is thrilled for the upcoming Pluto flyby of New Horizons, and will be covering it live on social media for us throughout the encounter. See his posts here as they happen.
14 July 2015, 11:20 AM ET
Breathtaking detail of the surface of Pluto was revealed in an image taken just before the New Horizons spacecraft made its closest approach to the dwarf planet this morning (July 14).
14 July 2015, 10:20 AM ET
Titan, one of the most potentially habitable bodies in the solar system, may have gone through snowball phases that resemble Pluto today.
14 July 2015, 09:17 AM ET
NASA's John Grunsfeld, Alan Stern and Alice Bowman talk at press conference less than an hour after the the probe's closest approach to the icy dwarf. They provide updates on when we should expect new images.
14 July 2015, 08:05 AM ET
The New Horizons' team and a room full to capacity at the mission's control center outside of Baltimore, Maryland celebrated with the rest of the world at the exact time of the Pluto (7:49 EDT, July 14th, 2015).
14 July 2015, 07:50 AM ET
NASA's New Horizons probe flew by Pluto this morning (July 14), capturing history's first up-close looks at the frigid, far-flung world and completing the initial reconnaissance of the solar system (if all went according to plan).
14 July 2015, 05:00 AM ET
The New Horizons probe's epic flyby of Pluto today (July 14) comes on a very special date in the history of space exploration: Exactly 50 years ago today, NASA's Mariner 4 spacecraft made the first flyby of Mars.
14 July 2015, 04:39 AM ET
Today, July 14, 2015, NASA will make history when its New Horizons spacecraft becomes the first mission ever to fly by Pluto, and the folks at Google are celebrating with an appropriately celebratory Google doodle.
13 July 2015, 06:17 PM ET
Hold on to your butts. On Tuesday, NASA will give Pluto its first close-up since the dwarf planet's discovery 85 years ago, and you can follow it all online, but be warned: You'll have to rise early and stay up late.
13 July 2015, 05:39 PM ET
A collaboration between the American Museum of Natural History and Sweden's Linkoping University animates NASA's New Horizons closest encounter with the Pluto-Charon system. The OpenSpace software used can be obtained here: openspace.itn.liu.se.
13 July 2015, 02:20 PM ET
NASA's New Horizons spacecraft is still a day away from its Pluto flyby, but has revealed that the dwarf planet is larger than thought and has a polar ice cap.
13 July 2015, 06:00 AM ET
On Tuesday morning (July 14) — nine and a half years after launching, and a quarter-century after its mission began to take shape — NASA's New Horizons probe will perform history's first flyby of Pluto.
13 July 2015, 06:00 AM ET
The New Horizons probe's flyby of Pluto on Tuesday (July 14) will wrap up the initial reconnaissance of the solar system, an endeavor that began more than 50 years ago.
13 July 2015, 06:00 AM ET
Pluto — the once (and to some people, forever) ninth planet of the solar system — gets a lot of love from the general public. What makes this icy outlier so loveable?
12 July 2015, 10:38 PM ET
NASA's New Horizons spacecraft has spotted multiple craters and canyons on Pluto's big moon Charon, including one chasm that appears to be longer and deeper than Arizona's Grand Canyon, mission team members said.
12 July 2015, 09:00 AM ET
A history of attempts to study Pluto over the last 100 years, from its role as the mysterious "Planet X" to its upcoming New Horizons close-up.
12 July 2015, 02:47 AM ET
NASA's New Horizons probe captured amazing images of Pluto, scientists revealed details about a proposed superpowerful space telescope and NASA announced its first four commercial-crew astronauts. Here are Space.com's top stories of the week.
12 July 2015, 02:43 AM ET
New Horizons imaged the patches on Saturday (July 11), from a distance of 2.5 million miles (4 million kilometers). Charon. New Horizons won't be able to see the dark spots when it zooms through the Pluto system on July 14.
11 July 2015, 01:14 PM ET
A new image, which NASA's New Horizons probe took Thursday (July 9) from a distance of 3.3 million miles (5.4 million kilometers), reveals polygonal features and a 1,000-mile-long (1,600 km) band of patterned, dark-and-light terrain.
11 July 2015, 07:00 AM ET
While New Horizons will be all by its lonesome while it speeds past Pluto July 14, a fleet of spacecraft closer to home will also be watching the dwarf planet.
11 July 2015, 01:16 AM ET
From gorgeous views of Pluto and its largest moon Charon to an amazing shot of the International Space Station crossing the moon's face, don't miss these amazing space images.
10 July 2015, 06:30 PM ET
The Falcon 9 exploded less than 3 minutes after blasting off on June 28, scuttling SpaceX's seventh contracted resupply flight to the orbiting lab for NASA. The consequences of the mishap will probably be substantial for the company, Musk said.
10 July 2015, 02:47 PM ET
The new images — which were taken Wednesday from a distance of 3.7 million miles — show that Pluto and Charon are very different bodies, though they circle a common center of gravity and are separated by a mere 12,200 miles, NASA officials said.
10 July 2015, 04:01 AM ET
A pre-dawn celestial pageant well worth getting up early to see will take place Sunday morning (July 12), with a lovely crescent moon in close proximity to one of the most beautiful star clusters.
09 July 2015, 05:17 PM ET
Learn more about NASA's New Horizons mission, which performed history's first flyby of the Pluto system on July 14, 2015.
09 July 2015, 03:11 PM ET
SpaceX founder and CEO Elon Musk says data collected during the June 28 explosion of a Falcon 9 rocket is "difficult to interpret," and that the cause of the explosion is not yet understood.