11 August 2014, 11:17 AM ET
NASA’s New Horizons snapped the big dwarf planet and its nearby moon for 5 days (July 19th-24th, 2014). Charon is 750 - 753 miles diameter, the largest known compared to the size of its host planet. Some consider Pluto-Charon a binary planet.
11 August 2014, 10:52 AM ET
Photographers around the world ventured outside Sunday (Aug. 10) to snap photos of the bright, full 'supermoon' rising in the night sky.
11 August 2014, 07:00 AM ET
Astrophotographer Miguel Claro took this image on July 27 from Monsaraz in the Dark Sky Alqueva Reserve located near Alentejo, Portugal. See how he did it.
10 August 2014, 09:07 AM ET
A 36-year-old NASA spacecraft will begin a new interplanetary science mission today (Aug. 10) when it makes a close pass by the moon. You can watch the lunar flyby live online at 1:30 p.m. EDT. Here's how to watch.
10 August 2014, 06:52 AM ET
The largest full moon of 2014 rises today (Aug. 10), and even if you don't have a clear view of the sky, you can still catch the cosmic action live online.
09 August 2014, 08:26 AM ET
NASA and other scientists are touting the August full moon on Sunday (Aug. 10) as the biggest full moon of 2014, but is it really that super? Space.com skywatching columnist Joe Rao takes a close look at the definition.
08 August 2014, 06:31 PM ET
Space.com’s Miriam Kramer talks with NASA’s Noah Petro about the Perigee Moon of 10 August 2014
08 August 2014, 06:04 PM ET
An amazing new video from NASA shows viewers the ups and downs of the first test of a system that could one day help the space agency land huge spacecraft on Mars or other planets.
08 August 2014, 04:30 PM ET
NASA has selected its latest batch of high-tech ideas for the future of space exploration, with the agency funding five bold concepts that range from an innovative asteroid-mapper to a colossal "orbiting rainbow" that could see objects in ultradeep space.
08 August 2014, 03:51 PM ET
Any space fan that hasn't already purchased a newly released LEGO kit featuring a female astronomer will have to wait a while longer before getting their hands on the toy.
08 August 2014, 02:07 PM ET
Planets with atmospheres are prime candidates for exploration. NASA deploys its Low-Density Supersonic Decelerator to find fuel saving ways to land heavy rovers and possibly people. Principal Investigator Ian Clark narrates this supersonic test run.
08 August 2014, 01:18 PM ET
Many skywatchers love August because the ever-reliable Perseid meteor shower peaks mid-month, but unfortunately, this year's usually brilliant meteor display may be spoiled by a bright full moon.
08 August 2014, 01:00 PM ET
NASA announced it has postponed two American spacewalks while it waits for new spacesuit batteries to be delivered to the orbiting outpost.
08 August 2014, 12:30 PM ET
NASA is already working on 3D printing rocket parts, a pizza maker and Hubble Space Telescope photos, but by the end of next month, a NASA engineer is expected to finish building the first space cameras made almost entirely out of 3D printed parts.
08 August 2014, 07:03 AM ET
Two Mars-bound spacecraft are both in excellent health ahead of their September arrivals in orbit around the Red Planet, managers for both missions report.
08 August 2014, 07:00 AM ET
Clouds of gas among the stars of one of the closest galaxies to the Milky Way are revealed in an incredible new image, one of the most detailed wide-angle views ever taken.
07 August 2014, 04:15 PM ET
The first test will take place in November on the launch pad at Florida's Cape Canaveral Air Force Station, while the second will be an in-flight trial originating from Vandenberg Air Force Base in California, Space News reported today (Aug. 7).
07 August 2014, 03:59 PM ET
Europe's fifth Automated Transfer Vehicle (ATV-5) is scheduled to arrive at the orbiting lab on Aug. 12. There will be a number of opportunities to see both the space station and the cargo ship streaking across the night sky.
07 August 2014, 03:13 PM ET
A test version of NASA’s Orion spacecraft was successfully hauled from the Pacific Ocean onboard a U.S. Navy ship.
07 August 2014, 02:01 PM ET
The solar system coalesced from a huge cloud of dust and gas that was isolated from the rest of the Milky Way galaxy for up to 30 million years before the sun's birth, a new study published online today (Aug. 7) in the journal Science suggests.
07 August 2014, 02:01 PM ET
Black holes may have grown incredibly rapidly in the newborn universe, perhaps helping explain why they appear so early in cosmic history. Early black hole may have sucked matter in from all around, rather than just from an accretion disk.
07 August 2014, 12:15 PM ET
A NASA climate-and-weather satellite captured the rare sight of twin storms Hurricane Iselle and Hurricane Julio from space as the swirling cyclones headed for Hawaii.
07 August 2014, 11:30 AM ET
Texas is offering the private space company SpaceX more than $15 million in incentives to build a new launch facility at the southernmost tip of the Lone Star State.
07 August 2014, 07:01 AM ET
Alien planets could host life well into their old age if they have companion worlds tugging at them, researchers say.
07 August 2014, 03:27 AM ET
Space may seem calm, but it is a more hostile environment than that on Earth.
06 August 2014, 09:05 PM ET
Virgin Galactic's commercial SpaceShipTwo will soon launch onto — and, in at least one example, out of — the pages of seven books thanks to a partnership between the private spaceflight company and DK, a publisher of illustrated reference books.
06 August 2014, 07:28 PM ET
The annual Perseid meteor shower in August is normally a stargazing treat, offering a dazzling display of 'shooting stars.' But this year, the bright moon will interfere. Here's how to see the Perseids.
06 August 2014, 05:00 PM ET
The full-length trailer for the Hawking biopic, which is called "The Theory of Everything," came out today (Aug. 6). The 2.5-minute trailer shows that the film will focus heavily on the relationship between Stephen Hawking and his first wife Jane.
06 August 2014, 04:53 PM ET
Europe's Rosetta probe made its historic arrival at Comet 67P/Churyumov–Gerasimenko yesterday (Aug. 6), making it the first human-built craft to rendezvous with a comet.
06 August 2014, 04:23 PM ET
Like a large jet airplane, Reaction Engines’ SKYLON will place a Personnel and Logistics Module in its payload bay, capable of carrying 8 astronauts and their gear to Low Earth Orbiting stations, factories, hotels or other facilities.
06 August 2014, 04:19 PM ET
The airframe of Sierra Nevada's Dream Chaser space plane, which is designed to carry astronauts into space, was revealed on Aug. 1. The structure will be used in Dream Chaser's first orbital test launch, which is scheduled for November 2016.
06 August 2014, 03:52 PM ET
Reaction Engines, a private UK company, is developing the SABRE air-breathing rocket engine, which, it claims, can power an airplane-like vehicle named SKYLON to perform varied space missions for private industry, science, tourism and exploration.