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Earth and space

Finding footprints

ASU scientists are exploring the impact of past people’s actions on present-day ecosystems. In doing so, they may even uncover why a prehistoric society abandoned their homes.

Student seismology researcher helps reveal Earth's faults

Jennifer Dischler, an engineering student at ASU, is helping to increase our understanding of earthquakes, so that in the future perhaps we can forecast them better and minimize their toll on humans.

Website takes weather to extremes

How big was the world’s heaviest hailstone? Where is the hottest place on Earth? How fast was the fastest tornado? A new, interactive map of weather extremes lets you find out the answers and lots more.

Solving weather's mysteries

Were Europeans solely to blame for decimating the American Indian population, or did weather help? Why do cocaine harvests decrease during rainy seasons? A new book from an ASU climatologist offers answers to some of weather's greatest mysteries.

Sizing up the shakes

Through the Earthscope program, scientists are installing hundreds of seismometers across the U.S. to record earthquakes from around the world and to help them understand what lies beneath the Earth's surface.

The puzzle deep beneath our feet

Inner core. Outer core. Mantle. Crust. Most of us learned the layers of planet Earth in elementary school. But how do geologists really know what kind of stuff makes up these layers that lie so deep below?

Life, interrupted

Why did the earliest life on Earth--mostly bacteria--remain virtually unchanged for a billion years?

The dating game

A kilometer-deep sample of rock from Australia tells scientists about the atmosphere billions of years ago. But how do they know how old the rock really is?

Get a whiff of this: Oxygen in Earth's early atmosphere

An international research team has discovered traces of oxygen in Earth's atmosphere about 50 million years before expected. The results came as a surprise to the scientific community.

Cosmic playground

Paul Davies likes the big questions. The bigger the better. As director of ASU's BEYOND Center, his job is to ask and explore the fundamental questions of our existence. Are we alone in the universe? Is there more than one universe? Is time travel possible? And more.