Lagrangian points of the Earth–moon system. If they exist, Earth's dust cloud satellites - called Kordylewski clouds - lie in the regions of L4 and L5. Image via Wikimedia Commons.
Have the Kordylewski clouds been confirmed? They were first reported In 1961 as 2 clusters of dust, orbiting at about the moon's distance. They're faint. Have scientists now detected them? Read more.
InSight is a Mars lander - not a rover - designed to study a whole world from just one spot. It's due to arrive at Mars in November. Here are 5 highlights of the mission. Read more.
Most of the United States is more likely to be warmer-than-average than colder-than-average this winter, according this new NOAA report. Also, the western drought is likely to persist or worsen. Watch video.
These 2 images of sharp-edged icebergs - weirdly perfect rectangles - were captured on the same day by a researcher flying over Antarctica. See the photos.
Do you have binoculars? If you see Jupiter, but not Mercury, aim your binoculars at Jupiter and you might spot Mercury in the same field of view. These 2 worlds will fit in a single binocular field for several more days. As seen from around the globe, they're tough to spot in the west after sunset. The Southern Hemisphere has the best view. Read more.
You might catch Jupiter in the coming week, before Earth's faster motion around the sun causes the giant planet to fall into the sunset glare. Stefan R. Nilsson of Digitaliz.se captured it earlier this month, from Sweden.
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