Tech Archive
19 February 2013, 08:11 AM ET
Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
18 February 2013, 07:00 AM ET
A brief look at how each American president helped shape and steer American activities in space.
16 February 2013, 12:07 AM ET
This evocative space wallpaper shows a dark cloud where new stars are forming along with a cluster of brilliant stars that have already emerged from their dusty stellar nursery.
15 February 2013, 03:54 PM ET
The Feb. 15, 2013 meteor blast over Chelyabinsk, Russia, damaged hundreds of buildings and injured more than 1,000 people.
15 February 2013, 01:53 PM ET
Early video of the close fly-by of asteroid 2012 DA14 on February 15th, 2013, captured by the Samford Valley Observatory in Brisbane, Australia
14 February 2013, 11:29 PM ET
Comet Lemmon wows observers south of the equator.
14 February 2013, 04:24 PM ET
The Navstar constellation of satellites provides the signals for a global positioning system.
14 February 2013, 10:42 AM ET
Deep Space Industries says the materials in a nearby asteroid are worth $195 billion, a number some say stretches the truth.
14 February 2013, 02:06 AM ET
This space wallpaper reveals a fisheye view of the Southern Sky with constellations.
13 February 2013, 04:40 PM ET
SPACE.com picked the best new space- and science-themed toys at Toy Fair 2013.
13 February 2013, 06:00 AM ET
A new photo shows millions of stars in the Sagittarius constellation and a gecko-shaped clouds, scientists say.
12 February 2013, 07:41 PM ET
But asteroid 2012 DA14's tilted orbit rules it out as a mining target.
12 February 2013, 01:18 PM ET
A strange and shiny object on Mars photographed by NASA's Curiosity rover is just an odd-looking rock, scientists say.
12 February 2013, 10:54 AM ET
Images from the early days of NASA and spaceflight.
10 February 2013, 04:00 PM ET
New research shows how Antarctica's bizarre Don Juan Pond stays fluid.
10 February 2013, 10:24 AM ET
See how NASA's Landsat satellite constellation has revolutionized our understanding of Earth over 40 yearsa in this SPACE.com infographic.
08 February 2013, 12:13 PM ET
The Cassiopeia A supernova's first flash of radiation makes six clumps of dust unusually hot as seen in this cool space wallpaper.
07 February 2013, 02:01 PM ET
The idea that the Chicxulub asteroid impact was evidence of a dinosaur-killing impact was not always accepted.
07 February 2013, 01:35 PM ET
Every 25.3 days, like clockwork, a protostar, named LRLL 54361, unleashes bursts of light, which spread through gas and dust surrounding it. Astronomers believe the pulses are caused by interactions between 2 newly formed stars.
07 February 2013, 11:27 AM ET
This control system was extensively tested before wide-spread use began.
07 February 2013, 09:40 AM ET
NASA’s VISIONS mission launched a rocket into the northern lights on Feb. 7, 2013, to discover the secrets of auroras.
07 February 2013, 06:00 AM ET
Recent launches by North Korea, South Korea and Iran highlight a growing trend.
06 February 2013, 11:01 AM ET
About 6 percent of the galaxy's red dwarf stars host Earth-like planets, a new study suggests.
05 February 2013, 07:01 AM ET
Saul Perlmutter won the 2011 Nobel physics prize for helping discover that the universe's expansion was accelerating.
04 February 2013, 03:13 PM ET
2012 DA14 will not hit the planet on Feb. 15, though it will give us a historically close shave.
