The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

This advertisement has not loaded yet, but your article continues below. BUENOS AIRES, Argentina — A doctor testified Tuesday at the trial of seven medical professionals accused of negligence in ...

The Master Gardeners will host a free plant clinic and tool sharpening each Saturday. Festival attendees can enjoy a variety ...

Though Highway 1 is generally in excellent condition, and other towns, some as large as Santo Tomas (population 700), lie to ...

Caller said a neighbor hit her car and drove off, driving a dark purple Dodge Longhorn, and she has it on video. Caller’s vehicle is a white Dodge Challenger. Caller said tenants, male and female, are ...

''The Sirens'' by the New York Times bestselling author Emilia Hart is our "GMA" Book Club pick for April. Like her debut ...

In the heart of a state famous for chicken fried steak and barbecue sits a culinary anomaly that has Oklahomans willingly ...

The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among ...

About 70% of the Earth's surface is covered by marine ecosystems. Byestimates According to marine biologists, the biomass of microorganisms is about 9 ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

By Michaela Haas for Reasons to be Cheerful If the Los Angeles River were a living being, she would be called a survivor.From ...

Green chemistry involves the development of chemical products and processes that minimize the use and generation of hazardous and unwanted substances. Nanocrystals are increasingly used in high ...