How did life come about? The answer to this question goes to the very heart of our existence on planet Earth.
Astrobiology
Mar 25, 2023
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Australia has unveiled a new radio telescope in the remote outback that will give the world a vastly improved view of the sun and much faster warnings on massive solar storms.
Space Exploration
Dec 1, 2012
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The origin of Earth and the solar system inspires scientists and the public alike. By studying the present state of our home planet and other objects in the solar system, researchers have developed a detailed picture of the ...
Astronomy
Jan 8, 2024
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2995
In the early solar system, terrestrial planets like Mercury, Venus, Earth and Mars are thought to have formed from planetesimals, small early planets. These early planets grew over time, through collisions and mergers, to ...
Astronomy
Sep 1, 2021
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Scientists have long believed that comets and, or a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth's volatile elements—which include hydrogen, nitrogen, and carbon—and ...
Space Exploration
Jul 12, 2012
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5
Within the first 150 million years after our solar system formed, a giant body roughly the size of Mars struck and merged with Earth, blasting a huge cloud of rock and debris into space. This cloud would eventually coalesce ...
Space Exploration
Apr 8, 2015
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59
Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth's mantle (the rocky layer between Earth's metallic core and crust) formed when the planet was much smaller than ...
Earth Sciences
Feb 18, 2012
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Ever since scientists started looking at meteorites with microscopes, they've been puzzled—and fascinated—by what's inside. Most meteorites are made of tiny beads of glass that date back to the earliest days of the solar ...
Planetary Sciences
Dec 2, 2021
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1547
(Phys.org) -- For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement ...
Space Exploration
Aug 9, 2012
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Researchers at Australia's Curtin University have discovered evidence of a massive impact on the Martian surface about 4.45 billion years ago. This may not seem like a surprising revelation—after all, we know that there ...
Planetary Sciences
Mar 2, 2022
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