We’re used to a lot of different natural things falling out of the sky. These can include snow, rain, and sometimes even frogs (yes, really). All of these relate to weather phenomena. Far more exotic things fall from the sky that are not related to weather. Earth is pelted by about 14 tons of micrometeoritesContinue reading "A meteorite impact may have once rained gold on Western Australia – new study"

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Sally Ride made history aboard the Space Shuttle Challenger on June 18, 1983, becoming the first American woman in space 20 years nearly to the day after Soviet Valentina Tereshkova’s flight. In 1977, as she was finishing her Ph.D. in physics, Ride saw a newspaper ad placed by NASA to recruit astronauts. For the firstContinue reading "June 18, 1983: Sally Ride is the first American woman in space"

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Looking for a sky event this week? Check out our full Sky This Week column.  June 17: The Moon covers Venus Now it’s Venus’ turn to close in on the Beehive Cluster (M44), which sparkles in central Cancer. Tonight after sunset, blazing Venus is just 1.3° from the center of this loose open cluster, which is visibleContinue reading "The Sky Today on Thursday, June 18: The Moon and the Sickle"

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John Vermette, taken from Starfront Observatory, Texas The famous galaxy group Markarian’s Chain in the heart of the Virgo cluster of galaxies dominates this wide-field vista as a line of eight galaxies stretching from upper left. But there are many more galaxies in this image: Every dot of light is a galaxy, as the photographerContinue reading "Virgo vertigo"

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