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Space junk is increasing, and no one’s in charge of clean up
Space junk is an increasing problem. With more countries and private companies entering space, more junk is accumulating and no one is in charge of cleaning up.
September 7, 2023
4.5-billion-year-old space rock shares solar system secrets
A space rock that came to rest in the Sahara desert is more than 4.5 billion years old. It helps scientists understand the conditions of our early solar system.
September 5, 2023
Water lilies, beautiful and colorful: Lifeform of the week
Water lilies are plants known worldwide. They are colorful and beautiful, and they are also important players in the aquatic ecosystem.
September 5, 2023
Giraffes, and the scientists trying to save them
Scientists are using GPS, satellites and statistics to track and protect giraffes. Read more about the efforts in Africa to protect these iconic animals.
September 3, 2023
Best twilight photos from our community
Enjoy twilight in some of the best photos shared by the EarthSky community. Have a great photo of your own to share? Send it to us!
August 27, 2023
Does rising methane signal a ‘great transition’ in climate?
Professor Euan Nisbet says the recent steep incline in rising methane levels could signal a termination event on Earth, when climate systems reorganize.
August 23, 2023
Astraphobia is a fear of thunder and lightning
If your heart starts to race when a thunderstorm comes near, and you want to hide from the thunder and lightning, you might have astraphobia.
August 22, 2023
A red rainbow happens when the sun is low
A red rainbow has a surreal beauty, but its explanation is fairly ordinary. It's created via the same physics that makes a sunset or sunrise looks red.
August 10, 2023
The largest freshwater wind farm in the world
Windpark Fryslân is the largest freshwater wind farm in the world and can generate enough power to run about 500,000 homes in the Netherlands.
August 9, 2023
What is wet-bulb temperature? And how hot is too hot?
The wet-bulb temperature is a measure of the deadly combined effects of temperature and humidity. See an interactive map here.
August 8, 2023
