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'Surprising' warmth above Antarctica is earliest observed on record
By Meredith Garofalo last updated
Temperature fluctuations above Antarctica in winter show the earliest warming of the stratosphere on record.
A sprinkling of cosmic dust may have helped kick-start life on Earth
By Victoria Corless published
Cosmic dust may have helped to kick-start life on Earth, new research suggests. The findings challenge a widely held assumption that this was not a plausible explanation.
'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.
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.
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.
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.
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.
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.
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