| | January 17
Pole-Oriented Planet Disk | | | |
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| | |  Artist’s concept of a pole-oriented planet-forming disk, from the surface of one of its planets. The disk would appear as a broad band, rising almost perpendicularly from the planet's horizon. Image via University of Warwick/Mark Garlick. | | | | Double star flips planet-forming disk into pole position | | | Our sun's planets orbit in a plane extending from the sun's equator. Astronomers have found a double-star system whose planet-forming disk has flipped up - perpendicular to what we'd expect - over the poles. What would nature be like on one of these worlds? Read more. | | | | | | Did life arrive on land earlier than thought? | | New clues from fossils from the oldest soils on Earth suggest that multicellular, land-dwelling organisms might have emerged much earlier than we thought. Read more.
 Fossil found in South Australia, dating to between 542 million to 635 million years ago, during a geologic period known as the Ediacaran. Image courtesy of Greg Retallack via University of Oregon. | | | | | |
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|  | | | Moon near Aldebaran | | Will you see the red star Aldebaran - Eye of the Bull in Taurus - in the moon's glare Thursday night? Read more. | | | | | |
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 | | | Video: 15 years of Mars images | | ESA’s Mars Express spacecraft began sending back images from its orbit around Mars in January 2004. Take 5 minutes to see some of the coolest images of the mission so far. The image above shows Mars’ south pole ice cap. Watch video. | | |
