16 July 2013, 12:57 PM ET
The gas giant planet Neptune in our solar system has 14 known moons, including the strange backwards-orbiting Triton. See how Neptune's moons orbit the giant blue planet, and what we know about the Neptunian satellites in this infographic.
16 July 2013, 07:00 AM ET
Four billion years ago, Mars had abundant water and a substantial atmosphere. Life could have evolved there, but its reign would have been short. See how scientists are planning to seek out signs of past or present life on Mars.
11 July 2013, 09:00 AM ET
A giant blue planet is found, but the color could be due to glass particles in the hellish planet's hot atmosphere.
10 July 2013, 10:00 AM ET
Nearly two dozen museums and other locations around the U.S. (plus one in England) boast real spaceships that have carried astronauts on missions to orbit and the moon.
05 July 2013, 11:42 AM ET
Russia's Proton rocket has been a workhorse booster since 1965, but some recent versions have been plagued by failures. See how the Proton rocket works in this SPACE.com infographic.
01 July 2013, 08:12 AM ET
Here's what humanity would have to do to reach a star in less than 100 years.
27 June 2013, 06:00 AM ET
IRIS orbits the Earth and focuses on tiny details on the sun's surface with its small but powerful telescope.
25 June 2013, 01:24 PM ET
The nearby star Gliese 667c is orbited by up to seven alien planets, three of which are super-Earths that may be habitable.
25 June 2013, 07:00 AM ET
Humans could set up robot-constructed mining outposts at the moon's poles.
21 June 2013, 03:01 AM ET
With a pair of binoculars or a small telescope, many spectacular features can be spotted on the moon.
14 June 2013, 09:35 AM ET
The first woman in space flew on June 16, 1963.
11 June 2013, 02:00 PM ET
The landmark 1968 film influenced the depiction of space travel in movies and television for decades.
10 June 2013, 05:30 PM ET
The capsule carrying China's second female astronaut and two crewmates will spend 15 days in space.
30 May 2013, 02:00 PM ET
The crew of a Mars-bound mission would face significant radiation and cancer risk en route.
28 May 2013, 05:39 PM ET
Russia's Soyuz spacecraft can now launch crews to the International Space Station in a single day. See how it works in this SPACE.com infographic.
20 May 2013, 06:11 PM ET
See how NASA's James Webb Space Telescope, a huge space observatory, will probe the universe from its perch in deep space.
20 May 2013, 12:09 PM ET
Where did all that superscience tech come from?
15 May 2013, 04:20 AM ET
Scientists are taking a close look at a Mars-Orbiting Space Telescope concept. See how the idea would use an old spy satellite telescope donated to NASA by the National Reconnaissance Office in this SPACE.com infographic.
12 May 2013, 12:30 PM ET
Damaged at launch, the 1970s Skylab required dramatic on-orbit repairs before it was usable. See how it worked.
09 May 2013, 07:58 PM ET
The ammonia system is one of several cooling loops that circulate liquids throughout the International Space Station.
09 May 2013, 02:24 AM ET
How Solar Eclipses Work: When the moon covers up the sun, skywatchers delight in the opportunity to see a rare spectacle.
06 May 2013, 02:00 PM ET
After decades of deterioration, Star Trek's Galileo shuttlecraft mockup is being restored to its original glory.
02 May 2013, 02:00 PM ET
The mission of the Kepler Space Telescope is to identify and characterize Earth-size planets in the habitable zones of nearby stars.
24 April 2013, 03:52 PM ET
Find out how Hubble has stayed on the cutting edge of deep-space astronomy for the past 20 years.
23 April 2013, 11:00 AM ET
Learn all about Russia's robot Progress cargo ships in this SPACE.com infographic.
18 April 2013, 02:05 PM ET
Scientists have discovered three super-Earths circling two different stars more than 1,000 light-years away.
12 April 2013, 05:21 PM ET
Fruit flies launched in 1947 became the first animals to reach outer space and be recovered alive.
10 April 2013, 05:15 PM ET
The ambitious plan would have the goal of moving a small asteroid to a new orbit near the Earth by the year 2025.
03 April 2013, 06:36 PM ET
Astronomers know more about what dark matter is not than what it actually is.
03 April 2013, 07:33 AM ET
The Cosmic Microwave Background radiation tells us the age and composition of the universe and raises new questions that must be answered.
02 April 2013, 01:08 PM ET
Take an in-depth look at the Alpha Magnetic Spectrometer will hunt dark matter, cosmic rays and antimatter galaxies.
20 March 2013, 01:10 PM ET
Amazon founder Jeff Bezos plans to raise sunken Apollo 11 moon rocket engines from the ocean floor. Learn more about the Saturn V rocket's F-1 engines in this SPACE.com infographic.