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Solar system quiz: How well do you know our cosmic neighborhood?Quiz Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.
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Scientists trace origin of Earth's mysterious 'minimoon' days before it escapes into space for 30 yearsA new study reveals that the asteroid 2024 PT5, which has been orbiting Earth for 2 months, may have a "lunar origin." However, it is about to break free from our planet, making it tricky to tell for sure.
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3D map reveals our solar system's local bubble has an 'escape tunnel'A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.
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Why is Pluto not considered a planet?Pluto was demoted from a planet to a dwarf planet in 2006. So why is its status still so controversial today?
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How old is planet Earth?How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.
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Why NASA is sending the Europa Clipper to search for aliens near JupiterIn the coming weeks, NASA's Europa Clipper will take off on a long journey to Jupiter's moon Europa. The icy moon could potentially host alien life — and there's only one way to find out.
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How far away is the moon?The moon's distance from Earth changes depending on where it is in its elliptical orbit.
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Why is everything in space always moving?From the moment of the Big Bang, everything in the universe has kept moving, but why is that?
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Space photo of the week: 1st-ever close-up of Neptune is Voyager 2's final portrait of a planetVoyager 2, NASA's longest-running mission, explored Neptune during a historic encounter on Aug. 25, 1989, sending back humanity's first close-ups of the planet.
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