Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn more about life in extreme environments.

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

Scientists have expressed concern after one of the world's most unusual natural sites has uncovered a "concerning secret".

Related: The Enormous Antique Store in Missouri that’s Almost Too Good to be True The kids’ section offers clothing that’s ...

Don’t let the small storefront fool you – Hana Mission Thrift Store in Belleville packs an impressive amount of merchandise ...

Jerry Parsons, a horticulturist at Texas Cooperative Extension, created several varieties of bluebonnets during his career, ...

A 30-meter sediment core extracted from the “Great Blue Hole” in Belize offers the longest continuous record of storm ...

Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...

Eye color genetics is complex, with multiple genes from each parent determining a person's eye color. Scientists once believed a single gene controlled eye color, but research shows that more than 50 ...

Women can be colorblind, but it’s much less common than in men. Red-green color blindness, the most common type, is inherited through the X chromosome. Since males have only one X, they need just one ...

Uluru, a World Heritage site in northern Australia, is renowned for its color-changing ability due to its sandstone composition. The rock shifts colors from red, purple to orange based on the sun ...