NASA's bold asteroid-capture mission is an expensive distraction that does little to advance the agency's overarching goal of getting humans to Mars, one prominent researcher argues.
NASA's next-generation spacecraft is nearing completion and its first ambitious foray into space is planned for December. Continue reading →
The moon's largest mare, called Oceanus Procellarum, was thought to have been formed by a massive impact crater, but gravitational data from a NASA mission suggests otherwise. Continue reading →
Some craters can be deceiving. Continue reading →
On Sunday (Sept. 7), a house-sized interplanetary interloper will fly past Earth at a distance of only 20,000 miles -- that's one-tenth of the distance from the Earth to the moon. Continue reading →
Armchair astronomers can enjoy a cosmic double play tonight (Aug. 29), with back-to-back webcasts featuring faraway Neptune and a close-flying asteroid.
A comet, that was once thought to be an asteroid, has shown its true colors and unfurled a beautifully bright tail as it makes close approach with the sun. Continue reading →
A well-known meteorite that was the first to be tracked by ground-based cameras as it blasted through the Earths atmosphere and quickly recovered at its Australian fall site has been identified as a geological oddity. Continue reading →
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