Earth & Environment

2-Billion-Year-Old Rocks Could Rewrite a Key Chapter in Earth’s History

Around 2 billion years ago, Earth was going through one of the most important transformations in its history. Oxygen was becoming abundant in the atmosphere,...

Air Pollution Leaves a Lung Cancer Warning in Blood

studies of lung cancer prevention and early detection. If you care about cancer, please read studies that a low-carb diet could increase overall cancer risk,...

Dolphins Learn How to Use Tools to Hunt for Fish from Their Mothers

From spears and the invention of the wheel to smartphones and robots, human societies have been building and using tools from the beginning. Human tool...

Air Pollution Could Worsen Rheumatoid Arthritis Quickly

Rheumatoid arthritis can worsen even when patients are taking their medicine, and sometimes the reason for a flare is difficult to identify. New research suggests...

Small Dinosaur Fossil Reveals a More Diverse Prehistoric Coast in Japan

A small dinosaur bone discovered in Fukushima Prefecture more than 25 years ago is giving scientists new clues about the variety of plant-eating dinosaurs...

The American Dream Is Slipping Away in Orange County, Poll Finds

For many people living in Orange County, California, the American dream is starting to feel increasingly out of reach, especially when it comes to...

Dirty Air May Cause Rheumatoid Arthritis Flares

People living with rheumatoid arthritis may have another reason to pay attention to air quality. A large study from South Korea found that exposure to...

Are Cats Getting Tamer, Or Is It People Who Are Changing?

Around 15 years ago, I created a Facebook page for my cat, Sandi. Friends thought it was weird. Today, social media accounts for cats attract millions...

Just Four Questions Could Reveal How Good You Are at Protecting Your Personal Data

Most people say they care about privacy, but their everyday behavior does not always match their concerns. Now, researchers have developed a simple four-question...

Dinosaur Stomach Stones Reveal Surprising Secrets About How Ancient Giants Digested Food

How did dinosaurs digest their meals? Since soft tissues such as stomachs and intestines almost never fossilize, scientists have had very little direct evidence about...

Hidden Toxic Metals Found in City Road Dust, New Study Warns

Dust blowing through city streets may seem harmless, but new research suggests it can contain hidden metals left behind by decades of human activity. While...

Can pumping groundwater really flip Earth’s poles

Recently, a government minister in the Northern Territory, pitching a plan to make Darwin "the data center capital of the globe," suggested it might...

FEATURED

What makes giant jellyfish’s sting so deadly

With summer on the way, and some beaches reopening after COVID-19 shutdowns, people will be taking to the ocean to cool off on a...

Dogs understand words link to objects, study finds

The revelation that dogs might grasp the meaning behind words, much like humans do, is stirring excitement in both scientific circles and among pet...

Scientists uncover genetic secrets behind Greenland shark’s 400-year lifespan

Scientists have uncovered new genetic clues behind the extraordinary lifespan of the Greenland shark, a species that can live for up to 400 years. Researchers...

Iron and ice: Earth’s passage through the interstellar cloud

Iron-60 is a radioactive isotope of iron that's found in Antarctic ice and in deep-sea crusts. It's only source is nucleosynthesis in the cataclysmic explosive...

Newly discovered dinosaur lived underground

Dinosaurs didn't just roam above ground; some lived below the surface too. A newly discovered dinosaur species, Fona herzogae, shows evidence that these animals spent...

Earth’s cooling could spark a dangerous ocean “burp,” scientists say

For decades, Earth’s oceans have acted as powerful allies in the fight against global warming. They have absorbed about a quarter of all human-made carbon...

Ancient microbes may help us find extraterrestrial life forms

Using light-capturing proteins in living microbes, scientists have reconstructed what life was like for some of Earth’s earliest organisms. These efforts could help us recognize...

Air pollution may increase dementia risk, study finds

New research has found that air pollution—including car exhaust and smoke from burning wood—raises the risk of developing dementia. The study looked at data from...