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EarthSky | Moon and Venus after sunset September 8 to 11

[ad_1] Northern Hemisphere view of the western sky after sunset, beginning with the young moon’s ...


My Extreme World.  And (Un)Welcome to It.

[ad_1] It’s no less true of the Siberian permafrost in a region where, for the first time above t...


How many satellites are orbiting Earth?

[ad_1] This article was originally published at The Conversation. The publication contributed the...


NEWS INDEX

Planet 9 may be closer and easier to find than thought—if it exists

[ad_1] Among the solar system’s more intriguing mysteries is whether a large, icy ...


Why It’s So Important to See Earth as Just Another Planet

[ad_1] About 30 years ago, Carl Sagan pointed two different cameras toward the Ear...


The rise of space tourism could affect Earth’s climate in unforeseen ways, scientists

[ad_1] Scientists worry that growing numbers of rocket flights and the rise of spa...