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Stunning Mars images, from Curiosity
The Curiosity rover has sent back some beautiful new images of the foothills of Mount Sharp in Gale crater on Mars.
Where did Mars get its organic molecules?
New computer simulations indicate 1/3 of Mars' organic molecules come from asteroids and comets.
Calling all cloud-gazers! NASA needs your help
Take pictures of clouds to help scientists.
Tonight … Westward shift of Orion and all the stars
As Earth makes its grand tour around the sun each year, the constellations all shift westward in our sky. Orion is a good one to notice.
The EarthSky Store
Help us keep presenting your world, and cosmos, to you. Plus get some cool astronomy swag while doing so!
Orion is easy to recognize. Look for Orion's Belt, a short, straight row of 3 medium-bright stars.
Mars, from Curiosity rover
