28 July 2014, 08:00 PM ET
The three spacecraft — two of which are fully operational and one of which is an experimental satellite — blasted off today (July 28) from Florida's Cape Canaveral Air Force Station, riding atop a United Launch Alliance Delta 4 rocket.
28 July 2014, 05:48 PM ET
The rover landed on the Red Planet in 2004 and has since driven a record 25.01 miles (40.02 km). The record was previously held by the Russian Lunokhod 2 which roved the lunar surface for 24.2 miles (39 km) in 1973. Full Story: http://goo.gl/C59h6r
28 July 2014, 07:01 AM ET
The founding population of an interstellar colony should consist of 20,000 to 40,000 people, one expert says. Such a large group would possess a great deal of genetic and demographic diversity, giving the settlement the best chance of survival.
25 July 2014, 07:25 AM ET
As the world celebrates the 45th anniversary of Apollo 11's giant leap to the moon, some people are eyeing the celestial body's bounty of resources. But it's unclear at the moment who is allowed to extract and profit from the moon's resources.
24 July 2014, 10:20 AM ET
DigitalGlobe released satellite images of the Malaysian Airlines MH17 plane that was shot down over eastern Ukraine on July 17.
24 July 2014, 08:00 AM ET
"One small step for man, one giant leap for mankind." That sentence, uttered by NASA astronaut Neil Armstrong from the surface of the moon 45 years ago, signaled the dawn of a new age.
24 July 2014, 07:22 AM ET
While the Apollo 11 landing was on the cutting-edge of technology in 1969, today it's a demonstration of how much could be accomplished with so little.
23 July 2014, 01:08 PM ET
See photos from the European Space Agency's Automated Transfer Vehicle 5 (ATV-5) mission to the International Space Station in this Space.com gallery. ATV-5 is Europe's fifth and final planned ATV mission.
23 July 2014, 12:03 PM ET
NASA's first Landsat mission launched in July 1972. Seven more satellites have been launched since. Two of these, Landsat 7 & 8, are still active. The program acquired science imagery of natural disasters, urban change, water, ice, and farming.
21 July 2014, 09:00 AM ET
A dropship quadcopter designed by the European Space Agency could be landing rovers on Mars in the future.
20 July 2014, 09:01 AM ET
Space.com was founded on July 20, 1999 on the 30th anniversary of NASA's Apollo 11 moon landing. Here, managing editor Tariq Malik recounts the last 15 years of Space.com, and the wonder of it all.
20 July 2014, 07:01 AM ET
On July 20, 1969, Neil Armstrong clambered down the ladder of the Apollo 11 lunar lander and pressed his boot into the moon's gray dirt — a simple step that stands as perhaps the most memorable moment in all of human history.
19 July 2014, 12:31 PM ET
From a cosmic rubber ducky to an experimental space plane, don't miss these amazing space images of the week for July 19, 2014.
18 July 2014, 02:38 PM ET
When a missile struck Malaysian Airlines flight MH17, it's likely that heat from the explosion was detected from space by a sophisticated network of military satellites.
17 July 2014, 07:00 AM ET
Experts told a Senate hearing Wednesday that key American national-security space missions could be delayed by four to six years if Russia decides to cut off its supply of RD-180 rocket engines.
16 July 2014, 05:00 PM ET
The Mars Science Laboratory's ChemCam instrument fires its laser at rocks to analyze its composition and clear away dust. A recent firing produced sparks when hitting a rock.
15 July 2014, 04:12 PM ET
The Defense Advanced Research Projects Agency (DARPA) has awarded initial design contracts for its Experimental Spaceplane project, known as XS-1, to three different companies: Boeing, Masten Space Systems and Northrop Grumman.
15 July 2014, 09:30 AM ET
SpaceX managed to fly part of its Falcon 9 rocket back to Earth today (July 14) in a reusability test that did not go entirely as planned. The rocket's first stage performed its re-entry burn and other tasks well but ended up hitting the water hard.
14 July 2014, 06:27 AM ET
It has been more than four decades since the first men landed on the moon on July 20, 1969. Test your memory of the moon landing with this quiz.
13 July 2014, 06:07 AM ET
What was your favorite space news story of the last week?
11 July 2014, 08:00 AM ET
On Wednesday (July 9), the Planetary Society announced launch dates for its LightSail-1 spacecraft — a possible test flight in 2015 (LightSail-A) and a full mission the next year (LightSail-B) with nearly identical hardware.
10 July 2014, 03:58 PM ET
“Parent satellite” Prox-1 will watch its offspring, LightSail-1, as it deploys 32 sq. meters of Kapton polymide fabric in an act of cosmic origami in reverse.
10 July 2014, 03:44 PM ET
The Planetary Society’s citizen-funded mission, LightSail-1, will launch on a SpaceX Falcon Heavy in 2016. It will test solar sails to propel low-cost “cube-sats,” with technology that could open highways to the planets. STORY: http://goo.gl/7tf4Tf
09 July 2014, 11:52 AM ET
ESA's Space Technology Advancements by Resourceful, Targeted and Innovative Groups of Experts and Researchers’(StarTiger) program has developed the prototype to land a rover using hazard detection and avoidance technology.
09 July 2014, 11:18 AM ET
#RosettaAreWeThereYet is a European Space Agency sponsored photo contest to support the last leg of the probe's journey to comet 67P/Churyumov–Gerasimenko. Learn more about it and enter the contest here: http://goo.gl/1N4wqX
08 July 2014, 01:13 PM ET
NASA's Aquarius mission, whose main mission is ocean salinity measurement, has been multitasked to deliver soil observations. It shows how seasons and weather change the moisture in the first 2 inches of soil around the globe.
08 July 2014, 12:11 PM ET
From 1838 to 1945, the star Eta Carinae spewed nearly 40x the Sun’s mass, creating the Homunculus Nebula. Astronomers have now created a high-res 3D model of the 2-lobed cloud of gas and dust. -- Can be 3D printed with this file: http://goo.gl/juFz3p
06 July 2014, 12:47 PM ET
What was your favorite space news story of the last week?
01 July 2014, 01:32 PM ET
The Apollo 9 Lunar Module is seen from the command module during the Apollo 9 earth-orbital mission.
01 July 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in June 2014.
30 June 2014, 09:23 AM ET
The Low-Density Supersonic Decelerator (LDSD) was tested over Hawaii on June 28th, 2014. It successfully tested the Supersonic Inflatable Aerodynamic Decelerator (SIAD) but its second major test, the Supersonic Disk Sail Parachute, failed to deploy.
29 June 2014, 09:36 PM ET
The Low-Density Supersonic Decelerator (LDSD) was tested over Hawaii on June 28th, 2014. The vehicle, testing new Mars descent and landing tech, was dropped from a balloon at an altitude of 23 miles and fired its onboard rocket.