Where did Earth's water come from? Not melted meteorites, according to scientists
Water makes up 71% of Earth's surface, but no one knows how or when such massive quantities of water arrived on Earth.
Water makes up 71% of Earth's surface, but no one knows how or when such massive quantities of water arrived on Earth.
Planetary Sciences
Mar 15, 2023
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A new biosensor engineered by Penn State researchers offers scientists the first dynamic glimpses of manganese, an elusive metal ion that is essential for life.
Biotechnology
Mar 9, 2023
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The NISAR Earth science mission has moved a step closer to its 2024 launch. Its science payload of two radar systems, one built by NASA and the other by the Indian Space Research Organization (ISRO), recently completed the ...
Earth Sciences
Mar 8, 2023
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A terrestrial planet hovering between Mars and Jupiter would be able to push Earth out of the solar system and wipe out life on this planet, according to a UC Riverside experiment.
Planetary Sciences
Mar 7, 2023
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A small international team of space scientists has discovered a pair of planets that bear a striking resemblance to Neptune and Jupiter circling a star similar in nature to our sun. The group has published their findings ...
In June 2018, Japan's Hayabusa2 spacecraft retrieved samples from asteroid Ryugu and successfully returned them to Earth. Researchers at Tohoku University have analyzed the samples and identified what they believe may be ...
Planetary Sciences
Feb 28, 2023
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In this era of exoplanet discovery, astronomers have found over 5,000 confirmed exoplanets, with thousands more awaiting confirmation and many billions more waiting to be discovered. These exoplanets exist in a bewildering ...
Planetary Sciences
Feb 21, 2023
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The first signs of life emerged on Earth in the form of microbes about four billion years ago. While scientists are still determining exactly when and how these microbes appeared, it's clear that the emergence of life is ...
Earth Sciences
Feb 10, 2023
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On a cold winter day, the warmth of the sun is welcome. Yet as humanity emits more and more greenhouse gases, the Earth's atmosphere traps more and more of the sun's energy and steadily increases the Earth's temperature. ...
Earth Sciences
Feb 8, 2023
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Meteorites have told Imperial researchers the likely far-flung origin of Earth's volatile chemicals, some of which form the building blocks of life.
Astrobiology
Jan 27, 2023
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