01 July 2011, 11:29 PM ET
From the brightest object ever found to private space taxis, it was a busy week in space.
30 June 2011, 09:40 AM ET
Photos from NASA's June 29 launch of a Minotaur 1 rocket and the new ORS-1 military satellite.
26 June 2011, 12:49 AM ET
Choose your favorite space story from the last week.
25 June 2011, 03:13 PM ET
From sheer curiosity to protecting Earth and mining the solar system, here's some key reasons to explore asteroids.
24 June 2011, 09:55 AM ET
These are the three things people most want to know about the universe they live in.
08 June 2011, 11:40 AM ET
The Mars rover Curiosity, also known as the Mars Science Laboratory, will launch in late 2011 and land on the Red Planet in August 2012.
06 June 2011, 03:11 PM ET
Case your vote for the most memorable photo of the human spaceflight era.
30 May 2011, 02:22 AM ET
From the shuttle Columbia and Challenger disasters to the launch of Hubble and the building of the International Space Station
26 May 2011, 11:49 AM ET
SPACE.com will be giving away T-shirts among other prizes small and large in an upcoming contest. Based on your input through our Facebook page, we've come up with four designs, and now we'd like you to pick the winner. Check them out!
25 May 2011, 04:15 PM ET
A look at the spacecraft that met their end on the Red Planet.
24 May 2011, 04:06 PM ET
Which of the four finalist landing sites should NASA choose for Curiosity, its next Mars rover?
21 April 2011, 01:26 AM ET
The Hubble Space Telescope has lasted more than 20 years, and in that time it has revolutionized our understanding of the universe. Here is a short rundown of Hubble's greatest achievements.
23 March 2011, 06:05 PM ET
Take a look at some of the best and worst Red Planet landings of all time.
19 March 2011, 11:53 AM ET
Weightlessness changes a lot of the physical conditions we take for granted on Earth.
22 February 2011, 12:36 PM ET
Vote for your favorite innovators of the new digital space age.
06 January 2011, 10:38 AM ET
The universe is a weird place. Here's a look at some of the strangest things in the cosmos.
26 October 2010, 11:22 AM ET
From stellar fireworks caused by supernova explosions to invisible black holes, astronomers are gradually figuring out how stars work and what makes each variety unique. Many mysteries remain, however.
26 October 2010, 10:30 AM ET
Take a tour of the effect Sputnik, the world's first artificial satellite, has had on science 50 years after its launch.
25 October 2010, 06:31 PM ET
Our solar system's planets vary greatly in size, composition, temperature, chemistry and geology. Here are some notable extreme facts about the planets that orbit our Sun.
19 October 2010, 07:32 PM ET
The age of private spaceflight is almost upon us with a veritable fleet of new commercial spaceships rolling out to the launch pad. As NASA iconic space shuttles retire for good, here's a look at new private ships soon to be reality
06 June 2009, 02:39 PM ET
Here's a list of the top 10 things that have impacted the lunar surface.
06 January 2008, 02:07 PM ET
Humans have sent many missions, both manned and robotic, beyond our planet to explore our neighboring celestial bodies.
01 May 2006, 01:13 PM ET
As a longtime investigator of unusual phenomena, I have no doubt that UFOs exist.
07 July 2003, 04:00 PM ET
See questions and answers about the Columbia Accident Investigation Board's (CAIB) final report.