Scientists in Sweden put on a light show in the night sky on Thursday, releasing material from a sounding rocket to research the spectacular northern lights phenomena.
Space Exploration
Mar 23, 2023
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3
Hummingbirds have the fastest metabolism of any animal. The tropical hummingbirds that live in the Andes Mountains in South America must expend considerable energy to maintain their high body temperatures in cold environments.
Plants & Animals
Mar 15, 2023
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214
Humans are naturally afraid of the dark. We sometimes imagine monsters under the bed and walk faster down unlit streets at night. To conquer our fears, we may leave a night light on to scare away the monsters and a light ...
Astronomy
Feb 10, 2023
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140
Light pollution is growing rapidly and in some places the number of stars visible to the naked eye in the night sky is being reduced by more than half in less than 20 years, according to a study released Thursday.
Astronomy
Jan 22, 2023
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36
People around the world are seeing fewer and fewer stars in the night sky. The change in star visibility can be explained by an increase in the sky brightness of 7–10% per year. The rate of change is faster than satellite ...
Astronomy
Jan 19, 2023
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100
Omnipresent fireworks displays won't be the only lights in the sky over the next few nights: There will be natural spectacles, too.
Astronomy
Jan 3, 2023
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31
We're often told to limit our "screen time," thanks in part to the harsh blue light that screens can emit. Plants can detect blue light too, but instead of causing sleepless nights for our green friends, it could help make ...
Plants & Animals
Dec 20, 2022
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61
Researchers from Italy, Chile and Galicia have studied and compared the light pollution levels at major astronomical observatories across the world. The study shows that light is polluting the sky above most observatories ...
Astronomy
Dec 20, 2022
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158
Future planetary missions could explore in extremely cold temperatures that stymie existing spacecraft, thanks to a project under development at JPL.
Space Exploration
Dec 5, 2022
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23
The night sky is a shared wilderness. On a dark night, away from the city lights, you can see the stars in the same way as your ancestors did centuries ago. You can see the Milky Way and the constellations associated with ...
Astronomy
Dec 1, 2022
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21
