Other planets may never be as hospitable as Earth: study
Scientists dealt a blow Monday to the quest for organisms inhabiting worlds besides Earth, saying our planet was unusual in its ability to host liquid water—the key ingredient for life.
Scientists dealt a blow Monday to the quest for organisms inhabiting worlds besides Earth, saying our planet was unusual in its ability to host liquid water—the key ingredient for life.
Astronomy
Jul 31, 2017
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Many scientists believe the Earth was dry when it first formed, and that the building blocks for life on our planet—carbon, nitrogen and water—appeared only later as a result of collisions with other objects in our solar ...
Astronomy
Feb 9, 2017
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Comets are known to have a temper. As they swoop in from the outer edges of our solar system, these icy bodies begin spewing gas and dust as they venture closer to the sun. Their luminous outbursts can result in spectacular ...
Astronomy
Oct 24, 2019
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In the icy bodies around our solar system, radiation emitted from rocky cores could break up water molecules and support hydrogen-eating microbes. To address this cosmic possibility, a University of Texas at San Antonio (UTSA) ...
Space Exploration
May 22, 2017
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(Phys.org)—A small team of researchers with members from institutions in France and Japan has found evidence in chondrules that suggest their existence came from collisions between planetesimals in the inner part of the ...
Anomalies in the distribution of hydrogen at Occator crater on the dwarf planet Ceres reveal an icy crust, says a new paper led by Tom Prettyman, a Senior Scientist at the Planetary Science Institute.
Astronomy
Aug 13, 2021
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Comets that take more than 200 years to make one revolution around the sun are notoriously difficult to study. Because they spend most of their time far from our area of the solar system, many "long-period comets" will never ...
Space Exploration
Jul 25, 2017
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The Kuiper Belt is a massive disk of icy bodies, including Pluto, that is located just outside of Neptune's orbit in our solar system. Objects observed in the Kuiper Belt exhibit a more diversified color range than any other ...
Astronomy
May 31, 2023
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The outermost reaches of our solar system are a strange place—filled with dark and icy bodies with nicknames like Sedna, Biden and The Goblin, each of which span several hundred miles across.
Astronomy
Jul 7, 2020
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The search for life beyond Earth typically focuses on first looking for water, the basis for life as we know it. Whether the water is a gas, liquid, or solid, its presence and composition can tell researchers a lot about ...
Space Exploration
Jun 2, 2021
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