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Earth and Moon Had Same Water Source

Isotopic analysis of water trapped in volcanic glass in lunar samples show that the moon has more water than thought, and the water there and on Earth had the same origins. Karen Hopkin reports

May 28, 2013

The Biggest Stories on Earth

David Biello looks back at the big environmental stories of the year covered on 60-Second Earth

December 29, 2013

The Origin of the Earth

The emergence of the theory that the solar system coagulated from a vast cloud of dust has led to a new inquiry into the chemical history of our planet

October 1, 1952 — Harold C. Urey

Many Sun-like Stars Can Harbor Earth-like Planets

By measuring the temperature of dust circling nearby Sun-like stars, researchers conclude that rocky bodies are smashing into each other with the potential to aggregate into rocky planets. Steve Mirsky reports from the AAAS conference in Boston.

February 18, 2008

The Internal Heat of the Earth

The Center of the Earth--What We Know of Its Temperature, Structure and Its Composition

June 1, 1926 — Frank Wigglesworth Clarke

Distant Sand May Be Planet's Birth

Sandy particles seen circling around a young binary star system 2,400 light years from us could be an early stage in the formation of a new earth-like planet. Steve Mirsky reports.

March 13, 2008

Australian bushfires from above

NASA's Aqua satellite captured this image of southeastern Australia today—the smoke from the deadly wildfires there is plainly visible from Aqua's orbit 440 miles (705 kilometers) above Earth.

February 9, 2009

The Earth's Magnetotail

The solar wind sweeps the earth's magnetic field into a vast tail. Disruptions of the tail generate bright auroras at the earth and propel great bodies of magnetized gas into interplanetary space

March 1, 1986 — Edward W. Hones
Island hot spot

Island hot spot

Madagascar, an island nation in the Indian Ocean that is home to thousands of species found nowhere else on Earth, is captured in its entirety from space.

July 6, 2009

Protein Shape Data Confirms Life's Genealogy

Comparing the DNA sequences of similarly shaped proteins in various organisms produces a geneaology of all life on earth that matches those created from completely different data sets. Steve Mirsky reports.

May 5, 2008

Space tourist and astronauts return to Earth

Two astronauts and a space tourist successfully returned to Earth this morning in their Soyuz capsule after spending time on the International Space Station (ISS).

April 8, 2009 — Jordan Lite

Cows Tend to Face North-South

Google Earth images reveal that cattle around the world tend to align themselves with Earth's magnetic field. Adam Hinterthuer reports

August 26, 2008

The Shape of the Earth

As is well known, the earth is a slightly flattened sphere, but it also departs from the spherical in other interesting ways. These departures have been most clearly revealed by the orbits of artificial satellites

October 1, 1967 — Desmond King-Hele

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