Gargantuan storms on Saturn can wrap around the entire planet and be seen for months. New research suggests their impacts persist hundreds of years longer than experts thought.
The second planet from the sun is approaching 'inferior conjunction' as it swaps from being the 'Evening Star' to the 'Morning Star,' passing between Earth and the sun in the meantime.
Data from NASA's InSight mission shows that Mars's rotation is speeding up and its days are growing slightly shorter. Scientists have a few ideas why.
NASA's Perseverance rover is perfectly positioned to snap pictures of massive sunspots that could spit out powerful solar storms before they become visible from Earth.
A gorgeous new image of a star system 5,000 light-years from Earth could finally explain how Jupiter-size planets are born from chaotic fields of gas.
A distant Jupiter-size planet could have the shattered remains of a smaller sibling in its tow.
NASA's Perseverance rover has found an intriguing menagerie of organic molecules in a Martian crater, but their source remains unclear.
A distant star system has Milky Way-like spiral arms orbiting it. New research suggests a giant planet may be to blame.
China's presumed-dead Zhurong rover spotted telltale patterns of ancient climate change in the Martian dunes.
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