17 June 2015, 01:00 PM ET
A permanent cloud of dust has been found hovering around the moon, caused by the impacts of tiny particles from deep space.
17 June 2015, 01:00 PM ET
By studying data from the Kepler probe, scientists have found a planet about the size of Mars, about 200 light-years away from Earth.
02 June 2015, 01:34 PM ET
Paving the way for Apollo's missions to the moon, the Gemini program provided much-needed experience for astronauts in space.
02 June 2015, 12:26 PM ET
When Alexei Leonov stepped out of his Voskhod 2 capsule on March 18, 1965, he became the first spacewalker ever.
11 May 2015, 07:21 AM ET
For years, tiny payloads have been launched into Earth orbit on satellites smaller than a loaf of bread.
09 May 2015, 10:45 AM ET
At last humans are able to make educated guesses about what living on alien worlds might be like. Here's what we know about the alien planet Kepler-186f.
29 April 2015, 12:14 PM ET
For more than 50 years, spacecraft have relied on rockets and tricky maneuvers to get out of danger when missions don't go as planned.
13 April 2015, 07:15 AM ET
After an explosion crippled the spacecraft, the three astronauts had to fight to make their way back to Earth.
07 April 2015, 01:30 PM ET
Halley's Comet, a dusty ball of ice and frozen gases, spends most of its time in the chilly outland of the solar system. See what it would be like to live on a comet in this infographic.
31 March 2015, 11:10 AM ET
Pluto was considered a planet until 2006, when it was reclassified as a dwarf planet.
30 March 2015, 07:00 AM ET
New Horizons becomes the first probe to explore Pluto in mid-2015.
26 March 2015, 08:00 AM ET
An astronaut and a cosmonaut spend an entire year aboard the ISS to provide data on the health implications of space travel.
24 March 2015, 06:06 PM ET
Opportunity completed the distance covered in the traditional footrace.
24 March 2015, 01:00 PM ET
Triton's surface is so cold, the ground is made of frozen nitrogen.
17 March 2015, 11:29 AM ET
The year 2015 is packed full of amazing astronomical sights in the daytime and nighttime sky, from solar and lunar eclipses to dazzlingly bright planets. See our list of the 9 best stargazing events of the year.
16 March 2015, 04:52 PM ET
Titania, an airless moon of Uranus, is cold and its day is 84 years long. See what it would be like for astronauts on Titania in this Space.com infographic.
12 March 2015, 05:36 PM ET
Titan is probably the least inhospitable place in the outer solar system, but remember to bring oxygen and warm clothing.
10 March 2015, 12:19 PM ET
A constellation of four satellites orbit through Earth's magnetic field to study the mysterious phenomenon called magnetic reconnection.
05 March 2015, 06:00 PM ET
NASA's Dawn spacecraft is getting humanity's best view yet of the tiny survivor from the solar system's earliest days. See what we know about the dwarf planet Ceres in this our infographic.
05 March 2015, 02:01 PM ET
Albert Einstein's General Theory of Relativity celebrates its 100th anniversary in 2015. See the basic facts of Einstein's relativity in our infographic here.
03 March 2015, 12:00 PM ET
Scientists believe conditions may be right for life, under Europa's icy crust.
23 February 2015, 01:26 PM ET
Ceres, orbiting between Mars and Jupiter, has almost no gravity, warmth or atmosphere.
17 February 2015, 04:00 PM ET
Mars would not be an easy home for human colonists. See how its lower gravity, thin atmosphere and lack of a magnetic field could make it challenging for a colonist in this Space.com infographic.
10 February 2015, 03:00 PM ET
Life on the moon would be very different for explorers than life on Earth. See how in this Space.com infographic.
09 February 2015, 04:00 PM ET
ESA's tiny suborbital testbed vehicle could pave the way for later orbital space planes.
03 February 2015, 11:40 AM ET
Conditions on the planet Mercury would make living there a challenge. See what the days and nights might be like on the closest planet to the sun in our infographic.
28 January 2015, 04:38 PM ET
SMAP, or the Soil Moisture Active Passive satellite, will measure groundwater content and frozen/thawed state, all over the world every three days.
09 January 2015, 12:30 PM ET
Flies, flatworms and NASA CATS armed with lasers are on board SpaceX's fifth Dragon cargo ship bound for the International Space Station. See how the science experiments stack up in this Space.com infographic.
05 January 2015, 07:45 PM ET
In a first for space flight, SpaceX will attempt to fly its Falcon 9 booster rocket to a safe landing aboard an offshore platform.
16 December 2014, 02:50 PM ET
Although methane had been discovered before from space, NASA's Curiosity rover made the first in-situ discovery of rapid changes in methane concentration from the surface of Mars.
02 December 2014, 05:59 PM ET
The second in the Hayabusa series will drop probes on and take samples from asteroid 1999 JU3.
25 November 2014, 02:38 PM ET
The capsule will travel about 3,600 miles (5,800 kilometers) from Earth, then zoom back again at high speeds in order to test various systems, including its heat shielding and resistance to radiation.