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See the final 'planet parade' of 2025, starting this weekendSix of Earth's neighboring planets — Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will briefly appear in the sky on the same night, starting Sunday (Aug. 17).
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Venus and Jupiter conjunction: The 2 brightest planets will 'kiss' early Tuesday morningVenus and Jupiter will meet in a conjunction in the early morning hours of Tuesday, Aug. 12. Here's everything you need to know to spot the two brightest planets at their best.
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NASA finds multi-billion-year-old 'coral' on MarsNASA's Curiosity rover has snapped black and white images of a rock on the Martian surface that looks remarkably like a piece of coral.
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Stunning 'sun dogs' could sparkle in alien skies, James Webb Space Telescope suggestsHigh-speed winds on exoplanet WASP-17b may align quartz crystals in its atmosphere and create dazzling light effects like "sun dogs."
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Skyscraper-size spikes of methane ice may surround Pluto's equatorGiant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than previously realized, a new study suggests.
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Earth, Mars, Venus — and a long-lost planet — may have once 'waltzed' in perfect harmony around the sunNew simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.
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The hunt for 'Planet Nine': Why there could still be something massive at the edge of the solar systemThe debate about an undiscovered Planet X or Planet Nine has been going on for more than 100 years.
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5th planet found orbiting nearby star may lie in habitable zoneA super-Earth exoplanet has been detected within the habitable zone of a nearby red dwarf star, where liquid water might exist on its surface under the right atmospheric conditions.
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Moon, Mars, and meteors: Why July 28 is the best night for skywatching all summerA conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best nights for skywatching all summer.
