| 1. Sun's Sibling Stars Could Host Cousins of Earth Life |
 Credit: David A. Aguilar (Harvard-Smithsonian Center for Astrophysics) |
| Earth may have seeded life on other planets if DNA travelled from our world to another via an impacting asteroid that later landed on an alien planet. Astronomers are searching for siblings of the sun - stars born from the same parent star cluster - that might have planets impregnated with Earth life. [Full Story] |
| 2. Elephant on Mars Sculpted by Lava Flow |
 Credit: NASA/JPL/University of Arizona |
| An optical illusion on Mars shows the eye and trunk of an elephant. [Full Story] |
| 3. Dazzling Photo: Moon and Venus Shine Over World Heritage Site |
 Credit: Tunc Tezel / The World at Night |
| The moon and Venus are in conjunction in this night skyscape over Gobustan National Park in Azerbaijan. The starry sky over this World Heritage Site was taken by astrophotographer Tunc Tezel of The World at Night (TWAN) on Feb. 25, 2012 in Azerbaijan. [Full Story] |
| 4. 'UFO Galaxy' Spotted by Hubble Telescope |
 Credit: ESA/Hubble & NASA |
| The Hubble Space Telescope has found a UFO, but this one is filled with stars instead of little green men. [Full Story] |
| 5. North Korea Rocket Launch Site Seen From Space |
 Credit: DigitalGlobe |
| New satellite photos from DigitalGlobe reveal details of North Korea's launch site in the village of Tongchang-ri. [Full Story] |
| 6. Photo Journal: Northern Lights Expedition, a Reporter's-Eye View |
 Credit: Luke Kilpatrick |
| Photos of SPACE.com reporter Mike Wall's trip to Alaska on an aurora-studying expedition. [More Images] |
| 7. Rare Photo: Auroras on Uranus Spotted by Hubble Telescope |
 Credit: Laurent Lamy |
| Astronomers have caught the first views of auroras on the planet Uranus from a telescope near Earth, revealing tantalizing views of the tilted giant planet's hard-to-catch light shows. [Full Story] |
| 8. Pulsing Stars Could Probe Space-Time Around Black Holes |
 Credit: NASA |
| A new study demonstrates that pulsars found around the Milky Way’s black hole, Sgr A*, could permit a detailed investigation of the space-time of the supermassive black hole. The constant flash of a single pulsar could provide opportunities to test general relativity. [Full Story] |
| 9. Chain, Chain, Chain |
 Credit: ESA/DLR/FU Berlin (G. Neukum) |
| Chains of pits in the Tharsis region of Mars appear in this computer-generated perspective view. Data gathered by the High-Resolution Stereo Camera (HRSC) on ESA's Mars Express spacecraft provided the basis for the image. If any cave-like structures are associated with the pits, they could have harboured hypothesized microorganisms in the past. Image taken June 22, 2011. [More Images] |
Top image: Black Holes’ Heartbeats
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