Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

Walk through Jalisco's highlands and you'll find ancient ruins, natural hot springs and petroglyphs left by the mysterious ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Then two years ago, the group predicted the world would pass that threshold between 2030 and 2035. Now, new data from the World Meteorological Organization released Wednesday indicates that Earth ...

When the wind blew from the direction of the colony, ammonia levels spiked, sometimes reaching 1,000 times above normal ...

WASHINGTON (AP) — Get ready for several years of even more record-breaking heat that pushes Earth to more deadly, fiery and uncomfortable extremes, two of the world’s top weather agencies forecast.

This week, uncover the fate of the latest lunar lander to attempt touchdown on the moon’s surface, see a tower of worms, ...

A volcano erupted in Central America tens of thousands of years ago ... global climate, environment and societies.” The study is published in the journal Communications Earth & Environment.

So, if you had invested in Align Technology ten years ago, you're likely feeling pretty good about your investment today. According to our calculations, a $1000 investment made in May 2015 would ...