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Byline: Staff Writers New Haven CT (SPX) Apr 30, 2019, 2019 For more than a century, scientists have squabbled over how the Earth's moon formed. But researchers at Yale and [...]

After nearly 50 years of solar-system exploration, we've sent spacecraft to every planet and many smaller bodies. We've grown familiar with them, from Mercury with its shriveled surface to Neptune [...]

If you stood on the Moon just after sunset, you might notice a faint, almost orange glow on the sunward horizon and overhead. Such twilight glows are familiar to everyone [...]

PUZZLING ORBIT Q: How was the 10th planet's orbit established when it was observed for only a short time?--DICK SWARTWOUT, PENN LAIRD, VIRGINIA A: The first calculation of a newly [...]

FREEFORM. Small Missions for Advanced Research in Technology 1 (SMART-1) shot Hadley rille, an ancient lava channel that snakes 75 miles across the Moon's Palus Putredinis (Marsh of Decay). In [...]

NASA's Lunar Prospector spacecraft has confirmed that the moon has a small core, which supports the theory that an object the size of Mars collided with Earth and ripped away [...]

TWO MORE OF Saturn's moons may be geologically active--possibly even volcanic--according to a new study published in the June 14th issue of Nature. Using NASA's Cassini orbiter to look at [...]

Tidal forces are slowing Earth's spin and causing the Moon to recede. When will the system stabilize with one side of the Earth always facing the Moon? --Dave Keefer, New [...]

THERE I WAS, standing in the middle of a basketball court, watching the waning Moon struggle to break free of storm clouds hanging over the mountain range to the east. [...]

EUROPEAN SOUTHERN OBSERVATORY ASTRONOMERS have used an adaptive-optics system on an 8.2-meter telescope--one of the four that make up the Very Large Telescope (VLT) at Paranal Observatory in Chile--to produce [...]

If the hours seem to streak by and each day ends too quickly, stop a moment and consider the tempo of time during the Proterozoic era, 900 million years ago. [...]

New observations reveal that the moon's tenuous atmosphere extends twice as far above the lunar surface as previous observations had shown. The new images, taken during a lunar eclipse, also [...]

It was less than two years ago that scientists finally decided that they knew for the first time where a single one of the thousands of meteorities collected on earth [...]

Does the moon spark like a Life Saver? For centuries, amateur and professional astronomers alike have reported observing sudden brightenings or flashes on the surface of the Earth's moon. These [...]