New observations of the Venusian atmosphere collected from an airborne observatory showed no sign of the potential biosignature gas, casting additional doubt on a previous report of its detection.
life as we know it
Posted inNews
Isótopos de criptón proporcionan nuevos indicios sobre el pasado de los planetas
Para determinar cómo los elementos cruciales para el desarrollo de la vida llegaron a la Tierra, los científicos estudian los gases nobles. Actualmente, métodos mejorados traen consigo nuevos indicios a partir del criptón, el gas noble más enigmático.
Posted inEditors' Highlights
Abiotic Life and Energy on Water-Rich Rocky Celestial Bodies
The discovery of tiny crystals of the iron-rich hydroxychloride kuliginite in New Caledonia provides new insights into the hydrogen production from mantle rocks and saline water.
Posted inNews
Early Life Learned to Love Oxygen Long Before It Was Cool
Laboratory experiments show that earthquakes may have helped early life evolve in an oxygen-free world.
Posted inNews
Moon’s Porosity Changes Cratering History, Study Says
Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.
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Krypton Isotopes Provide New Clues to Planets’ Pasts
To trace how crucial ingredients for life arrived at Earth, scientists track noble gases. Now, improved methods are drawing new clues from krypton, the most cryptic of noble gases.
Posted inResearch Spotlights
Lightning Had Difficulty Forming in Early Earth’s Atmosphere
Lightning could have sparked the beginnings of life, but the primordial atmosphere might have made it more difficult for lightning to initiate.
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Martian Meteorites Reveal Evidence of a Large Impact
By analyzing rare Martian meteorites, researchers have uncovered a crystalline structure created by a large asteroid or comet impact that potentially affected the Red Planet’s habitability.
Posted inNews
Lipids from Europa’s Ocean Could Be Detectable on the Surface
A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.
