NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

Astronomers have discovered that billions of comets in an icy shell around the solar system called the Oort Cloud mimic the ...

NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson. Currently 45 million miles (70 million kilometers) ...

NASA has significantly lowered the risk of asteroid 2024 YR4 hitting Earth. Last week, the asteroid had a 3.1% probability of ...

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Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

The NASA boffins in white coats and thick-rimmed glasses have detected new signals that show the Oort cloud - the spooky ...

Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" ...

NASAs Lunar Trailblazer satellite, launched aboard a SpaceX Falcon 9 from Florida, aims to map water on the Mooncrucial for ...

The Noachian era’s importance in the formation of Mars is characterized by a series of asteroid and comet bombardments that ...