Scientists discover 'ghost dunes' on Mars

Scientists have discovered hundreds of crescent-shaped pits on Mars where sand dunes the size of the U.S. Capitol stood billions of years ago. The curves of these ancient dune impressions record ...

America's lost dogs

First dogs in the Americas arrived from Siberia, disappeared after European contact

A study reported in the journal Science offers an enhanced view of the origins and ultimate fate of the first dogs in the Americas. The dogs were not domesticated North American wolves, as some ...

Mars 'ghost' dunes may have evidence of alien life

Newly published research shows that hundreds of depressions on Mars' surface, aptly named "ghost dunes," could hold evidence of ancient life.

Martian 'Ghost Dunes' Could Preserve Signs of Ancient Life

Could pits hold evidence of ancient Mars life?

Evidence of Martian life could be hiding in 'ghost dunes,' scientists say

Hundreds of crescent-shaped ‘ghost dunes’ dotting the Martian surface could reveal new clues on the possibility of ancient microbial life, according to a new study led by the University ...

Is California’s Legacy Environmental Law Protecting the State’s Beauty or Blocking Affordable Housing?

Habitat for Humanity wants to build affordable housing in Redwood City, but a nearby resident is using the California Environmental Quality Act to stop the apartments.

On the Yuba River, Climate Change Means It’s Time for a Dam Makeover

Climate change brings new flood risks and new challenges for water storage managers. In California, one local water agency is taking on the big task of modifying its primary storage reservoir ...

NASA’s Kepler Telescope Almost Out of Fuel, Forced to Nap

Kepler has been searching for planets outside our solar system for nearly a decade. Considered the pioneer of planet hunting, it’s discovered nearly 3,000 confirmed worlds.

To Fight Climate Change, Grasslands May Be Safer Bet Than Forests

New research suggests that policymakers have been missing a major opportunity to soak up carbon and slow down climate change.

Oklahoma Sees More Severe Earthquakes, Fewer Overall

Scientists are largely seeing earthquakes on unmapped faults that were activated in 2014 by wastewater injection.

Tiny Alameda Beach to Get Funds to Restore Rare Bay Area Sand Dunes

In one of the smaller projects funded by Measure AA tax money, Alameda’s tiny Encinal Beach will get a sand dune restoration and a face-lift.

Study Provides Clues to Fate of Early North American Dogs

The indigenous dogs did appear to leave a genetic legacy: a rare dog cancer that affected a single dog several thousand years ago.

Health Advisory Lifted for Martinez, Pacheco after Shell Refinery ‘Shutdown’

An unspecified incident at the Shell refinery caused officials to issue a health advisory for residents of Martinez and Pacheco.

Native dogs of the Americas were wiped out by European colonization

Ancient dogs arrived in the Americas alongside humans more than 10,000 years ago but were later wiped out by European colonization, a new study suggests.

Like Most Things In America, Dogs Migrated From Overseas

A new study suggests dogs were domesticated before migrating to the Americas. By analyzing DNA of ancient North American and Siberian pups, researchers were able to better understand the history ...

Original North American Dogs Descended From Siberian Populations

European settlers likely wiped out these ancient dogs, but the animals seem to have left a lasting legacy in a transmissible canine cancer.

Native Dogs of the Americas Were Wiped Out by European Colonization

The only trace remaining of dogs that lived in the Americas before Europeans arrived: A common canine tumor.

Native American dog breeds were almost completely wiped out by the arrival of Europeans

Dogs that we think of as American - such as the Labrador and Chihuahuas - are in fact descended from dogs from the Old World, research led by four British universities revealed.

America's first dogs came from Siberia, disappeared after Europeans arrived

The first dogs in North America came from Siberia, new research proves. They disappeared shortly after the arrival of Europeans.

Ancient dog cancer still around today after 10,000 years

Dogs have been man's best friend for more than 10,000 years, but a new study shows it has been a doggone tough road to get here: their ancestors in the Americas likely came from Siberia, and ...