Exoplanet may reveal secrets about the edge of habitability
How close can a rocky planet be to a star, and still sustain water and life?
How close can a rocky planet be to a star, and still sustain water and life?
Astrobiology
Jun 21, 2023
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Humans have been fascinated by Mars probably since the first of the species turned their gaze to the night sky. Space exploration today attests to that continuing fascination.
Planetary Sciences
Jun 20, 2023
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Enceladus is the tiny moon of Saturn that seems to have it all. Its icy surface is intricately carved by ongoing geological processes. Its icy shell overlies an internal, liquid ocean. There, chemically charged warm water ...
Astrobiology
Jun 18, 2023
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For decades, the fields of physics and chemistry have maintained that the atoms and molecules that make up the natural world define the character of solid matter. Salt crystals get their crystalline quality from the ionic ...
Analytical Chemistry
Jun 7, 2023
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572
When were the Dry Valleys of Antarctica last wet?
Earth Sciences
May 30, 2023
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Researchers at EPFL have found a way to study water in "no man's land," a subzero temperature range where water crystallizes rapidly. Historically, the inability to access "no man's land" has prevented scientists from unriddling ...
Analytical Chemistry
May 30, 2023
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243
Our familiar, warm, yellow sun is a relative rarity in the Milky Way. By far the most common stars are considerably smaller and cooler, sporting just half the mass of our sun at most. Billions of planets orbit these common ...
Planetary Sciences
May 29, 2023
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Imagine an Earth-sized planet that's not at all Earth-like. Half this world is locked in permanent daytime, the other half in permanent night, and it's carpeted with active volcanoes. Astronomers have discovered that planet.
Astrobiology
May 17, 2023
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There are no plants, and only very few animals: people rarely come here. The large glaciers in Greenland have long been perceived as ice deserts. Gigantic ice sheets where conditions for life are extremely harsh.
Ecology
May 2, 2023
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Perseverance, a NASA rover, is collecting rocks on the surface of Mars, more than 200 million kilometers away. Though they could eventually become the most valuable rocks on Earth, the rover has limited space for these samples. ...
Planetary Sciences
May 2, 2023
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