Lower-cost space missions like NASA’s ESCAPADE are starting to deliver exciting science – but at a price in risk and trade‑offs

After a yearslong series of setbacks, NASA’s Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

NASA’s DART Mission Did More Than Just Nudge an Asteroid, Study Says

In September 2022, NASA’s DART spacecraft rammed into the asteroid moonlet Dimorphos at nearly 15,000 miles per hour (24,000 ...
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Spacecraft launches to deflect an asteroid in planetary defense mission

The world’s first full-scale planetary defense test is in motion. The mission is called DART and what scientists learn from it could save humankind from a future catastrophic event. Nancy Chabot is a ...
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Scientists find Uranus is surprisingly warm, heating up the case for a new planetary mission

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this discovery contradicts observations of the distant gas giant made by NASA's ...
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NASA’s DART mission alters asteroid system’s orbit around sun for first time

NASA’s DART spacecraft impact with asteroid moonlet Dimorphos in 2022 slightly changed the orbit of the Didymos–Dimorphos ...
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NEOWISE, the NASA mission that cataloged objects around Earth for over a decade, has come to an end

The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects – some of which could strike the Earth – ended its mission and burned on reentering the atmosphere after ...
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Planetary Protection Considerations for Missions to Solar System Small Bodies: Report Series—Committee on Planetary Protection

Suggested Citation: "4 Implications of Planetary Protection Category I Versus Category II for Small Body Missions." National Academies of Sciences, Engineering, and Medicine. 2023. Planetary ...

6-planet parade will grace the night sky on Saturday

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.
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Planetary Protection Considerations for Missions to Solar System Small Bodies: Report Series—Committee on Planetary Protection

Small bodies in the solar system have preserved information from different eras of the evolution of our solar system, from the composition of the presolar nebula that is preserved in cometary nuclei ...