New observations from NASA's New Horizons spacecraft hint that the Kuiper Belt—the vast, distant outer zone of our solar system populated by hundreds of thousands of icy, rocky planetary building blocks—might stretch ...
Astronomy
Feb 20, 2024
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76
A new planet starts its life in a rotating circle of gas and dust, a cradle known as a protostellar disk. My colleagues and I have used computer simulations to show that newborn gas planets in these disks are likely to have ...
Astronomy
Feb 17, 2024
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41
NASA finally has counted up all the asteroid samples returned by a spacecraft last fall—and it's double the rubble return goal.
Space Exploration
Feb 16, 2024
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200
Researchers are studying data from a recent suborbital flight test to better understand lunar regolith, or moon dust, and its potentially damaging effects as NASA prepares to send astronauts back to the lunar surface under ...
Space Exploration
Feb 16, 2024
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21
Cosmic dust—like dust on Earth—comprises groupings of molecules that have condensed and stuck together in a grain. But the exact nature of dust creation in the universe has long been a mystery. Now, however, an international ...
Astronomy
Feb 9, 2024
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89
Toxic dust storms, anti-government protests, the fall of the Soviet Union—for generations, none of it has deterred Nafisa Bayniyazova and her family from making a living growing melons, pumpkins and tomatoes on farms around ...
Environment
Feb 8, 2024
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21
The world's freshwater systems are in a sort of a climate-change cocktail—rising temperatures, fluctuating levels of environmental acidity and shifting concentrations of dissolved nutrients that settle into the lakes, ponds ...
Environment
Feb 6, 2024
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28
New Curtin University-led research has estimated that 1,454 avoidable deaths (one person every five days) occurred in Australian capital cities in the past 20 years because of fine particle air pollution from extreme events ...
Environment
Jan 31, 2024
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32
The galaxy NGC 5427 shines in this new NASA Hubble Space Telescope image. It's part of the galaxy pair Arp 271, and its companion NGC 5426 is located below this galaxy and outside of this image's frame. However, the effects ...
Astronomy
Jan 31, 2024
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2
With less than nine months remaining in the countdown to launch, NASA's Europa Clipper mission has passed a major milestone: Its science instruments have been added to the massive spacecraft, which is being assembled at the ...
Planetary Sciences
Jan 30, 2024
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