(CNN) — A 437-million-year old scorpion was the earliest known creature to venture from sea onto land, a new study has found, shedding new light on one of the earliest chapters in the planet's evolutionary
(CNN) — On Earth, the "Great Divide" is a boundary that runs through North America, separating the rivers that flow west from the rivers that flow to the east. Now, scientists believe they've discovered
(CNN) — Fifty years ago, a meteorite fell to Earth and landed in Australia, carrying with it a rare sample from interstellar space. A new analysis of the meteorite revealed stardust that formed between
(CNN) — One of the largest known meteorites to hit Earth struck nearly 800,000 years ago, but the exact spot where it smashed into our planet has been a mystery -- until now. The crater may lie beneath
NASA's alien planet hunter shows Egyptian pyramids may align with ancient north star, researcher says
Researchers using NASA's Transiting Exoplanet Survey Satellite (TESS) have discovered that an ancient star undergoes eclipses, which may have guided the ancient Egyptians when they were building the pyramids.
(CNN) — A 6.4 magnitude earthquake that killed one person in Puerto Rico on Tuesday is one of hundreds of tremors that have rattled the island for more than a week. And experts say the shaking is not yet.
(CNN) — NASA's planet-hunting mission TESS has found its first potentially habitable exoplanet the size of Earth orbiting a star about 100 light-years from Earth, according to the agency. The findings
Apocalyptic in appearance, thunderstorms generated by wildfires generate lightning and produce winds that can carry dangerous embers for miles. They start from the smoky tendrils of wildfires trailing
(CNN) — Astronomers have traced the signal of an enigmatic repeating fast radio burst for only the second time -- and it's in a spiral galaxy similar to our own, not so far away. Fast radio bursts, or