James Webb Space Telescope looks back in time, finds our ancient universe wasn’t as pure as we thought

James Webb Space Telescope looks back in time, finds our ancient universe wasn't as pure as we thought

Using the James Webb Space Telescope, astronomers have discovered that just 500 million years after the Big Bang, galaxies were already pumping heavy elements into their surroundings. That means the early universe was not as pure and pristine as previously believed, which could affect our theories of cosmic evolution. Shortly after the universe began, it … Read more

Two Researchers Say Humans Are In the Midst of an Evolutionary Shift Like Never Before. But Not Everyone Is Convinced

Two Researchers Say Humans Are In the Midst of an Evolutionary Shift Like Never Before. But Not Everyone Is Convinced

AI generated illustration. Credit: ZME Science/Midjourney. Some scientists say humans may be entering a new phase of evolution, one in which culture is becoming more powerful than genes in shaping our survival and future. At the heart of that idea is a provocative idea from University of Maine researchers Timothy Waring and Zachary Wood. They … Read more

September’s full harvest moon will pair with Saturn

September’s full harvest moon will pair with Saturn

Get ready for a heavenly double pleasure. The first full moon of the fall season will reach its maximum illumination in the night sky this weekend, and skywatchers will also have the opportunity to spot Saturn. The moon will be at its brightest at 12:49 p.m. ET on Saturday, but the best time to see … Read more

New hairy-legged, three-lipped, red-eyed sea spider species discovered

New hairy-legged, three-lipped, red-eyed sea spider species discovered

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, along with the solutions. Rolex’s Perpetual Planet Initiative has partnered with CNN to raise awareness and education on key sustainability issues and inspire positive action. If the sight of a spider already gives you goosebumps, … Read more