A trans-Neptunian object was found to possess a surprising thin atmosphere after astronomers witnessed the object occult a distant star.
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A prototype ion engine that uses lithium metal vapor as a propellant has aced its first tests, achieving 25 times more power than the ion engine on the Psyche mission.
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Drone-mounted radar flown over glaciers on Earth show how the technology can map buried ice in detail, helping future Mars spacecraft choose exactly where to drill.
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In this donut-shaped bag is a massive parachute. Next stop? Mars.
New panoramic views from NASA’s Curiosity and Perseverance rovers reveal dramatically different Martian terrains shaped by ancient water and billions of years of geological change.
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Evidence suggests that Venus is still volcanically active, and new data about a big eruption in Hawaii a few years ago could help scientists find out for sure.
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The Ucayali River snakes across the rainforest in this image captured by NASA astronaut Jessica Meir from the International Space Station.
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Should Pluto be a bona fide planet again? NASA is working to “revisit the discussion” on Pluto’s planethood status, according to agency chief Jared Isaacman.
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The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.
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NASA is exploring ways to use a fleet of drones to explore the lunar south pole with an ambitious new MoonFall project.
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