Fire, Earth, Air, and Water. Each element reflects fundamental aspects of the signs’ purposes, personalities, and traits.

The ancient Greeks looked to use the four main elements to interpret reality and the world. Empedocles was the proponent of ...

Anthony Vazquez/Sun-Times Share Earth Day was marked not with celebration ... “We want clean air, we want clean water,” in downtown Chicago. Jennifer Walling, executive director for the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

The water-from-air device remained effective across a broad range of humidity levels (30 -- 90%) and temperatures (5 -- 55 degrees Celsius). Senior researcher Dr Derek Hao, from RMIT University in ...

Did the chemical components necessary to create water on Earth come from space or already exist here? One prevailing notion holds that asteroids containing either water of its building blocks ...

What if a proptech startup could create clean water out of thin air? Well, Austin-based Aquaria believes it has created an efficient and economical technology to convert atmospheric and indoor vapor ...

Water is essential to life as we know it, but scientists are still unsure about how it originated on Earth. One theory is that asteroids express-shipped us hydrogen, essential to the formation of ...

How much do you know about air pollution? Visit this link to the 23ABC Instagram post, where you can put your knowledge to the test! It’s Earth Day, and Heather Heinks with the Valley Air ...

An electric car starts to smoke in Munich. The fire department had to respond and managed to get the fire under control together with a tow truck. Courier firm DHL Express to suspend global ...

ANSBACH, Germany – 10th Army Air and Missile Defense Command hosts its first “First to Fire” Competition from April 7-17 on Ansbach, Baumholder, and within the Oberdachstetten Local Training ...