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![wavy blue lines emanate into space from planet Earth](https://cdn.mos.cms.futurecdn.net/JwFMKi548Nh3b86GA9pdRJ-320-80.gif)
'It basically lifts the skies up.' NASA discovers Earth's electrical field at last after 60-year search
By Sharmila Kuthunur published
A long-sought invisible electrical field wrapped around Earth has been detected more than half a century after it was first predicted to exist.
![a cross section of earth showing its molten inner layers](https://cdn.mos.cms.futurecdn.net/Cqdb6F6aCW4v2WwV4q39tg-320-80.jpg)
Weird mystery waves that baffle scientists may be 'everywhere' inside Earth's mantle
By Stephanie Pappas published
Structures that scatter seismic waves deep in Earth's mantle seem to be everywhere researchers look.
![two images, one showing a temple at left and another showing several small artefacts](https://cdn.mos.cms.futurecdn.net/N2veiNwAUKo3DssWQF5oTL-320-80.png)
Archaeologists find huge, 2,500-year-old Egyptian astronomy observatory
By Elizabeth Howell published
An Egyptian dig uncovered a massive building that shows considerable evidence of astronomy observations, including a sundial and features meant to track the sun and stars.
![A spacecraft is seen drifting in space with the Earth toward the top of the screen.](https://cdn.mos.cms.futurecdn.net/Mtiecti9GzQrf2dpmBry5W-320-80.jpg)
Satellite watches as hazardous wildfire particles drift into the air
By Sharmila Kuthunur published
The recently launched satellite has been watching the spread of aerosols from wildfire smoke, creating a catalog that scientists say would eventually benefit weather forecasting.
![a porous piece of rock under a microscope](https://cdn.mos.cms.futurecdn.net/4JvYoeYzFhSDTpi49BA6VP-320-80.jpg)
Ancient grains of dust from space can be found on Earth − and provide clues about the life cycle of stars
By Sachiko Amari published
Specks of dust known as presolar grains predate our solar system and contain information about stars that died long before our cosmic neighborhood formed.
![a dark grey moon above a blue and white planet](https://cdn.mos.cms.futurecdn.net/PncSR3kS2vJ2erkbTcM6eU-320-80.jpg)
Earth's days once got 2 hours longer — and that may have triggered one of the biggest evolutionary explosions in history, study suggests
By Tia Ghose published
The moon once drifted thousands of miles farther away, and Earth's days got 2.2 hours longer, a new study finds.
![A gif showing the eye of the storm in black and white. Flashes show up within.](https://cdn.mos.cms.futurecdn.net/aNPGkNYW6nminwcp9iubA9-320-80.gif)
Satellites capture Hurricane Ernesto racing across the Atlantic (images)
By Sharmila Kuthunur published
NOAA satellites in orbit have recorded real-time views of Hurricane Ernesto as it made landfall in Bermuda before sailing through the Atlantic.
![A very snow-capped Earth in the darkness of space.](https://cdn.mos.cms.futurecdn.net/Vf9RhxxGswzgRQGoaznxPW-320-80.jpg)
Scottish rocks could hold clues about Earth's past as a snowball
By Meredith Garofalo published
A recent study confirms a European rock formation likely holds the clues to what was once a "snowball Earth."
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