As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to distinguish between radiation-made organics and those born in a subsurface sea.
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Zircon Crystals Could Reveal Earth’s Path Among the Stars
Researchers found signs of melting in zircon crystals in the crust that correspond to our planet’s journey through the galaxy’s spiral arms.
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Pinpointing Sewage Seeps in Hawaii
Cesspools and septic systems, as well as coastal development, put Hawaiian coastal waters at risk of contamination.
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La salinidad del Océano Austral podría estar desencadenando la pérdida de hielo marino
Nuevas tecnologías satelitales han revelado que el Océano Austral se está volviendo más salino, un giro inesperado de los eventos que podría representar un gran problema para la Antártida.
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How Might Leftover Corn Stalks Halt Fugitive Carbon?
Bio-oil made from plant waste could help limit carbon emissions from orphaned oil and gas wells. But would it help or hinder farmers’ bottom line?
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Ice Diatoms Glide at Record-Low Temperatures
New observations reveal how microscopic organisms move through polar ice and illustrate how they may have evolved to thrive in extreme environments.
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Planets Might Form When Dust “Wobbles” in Just the Right Way
A liquid metal experiment has shown how magnetic rotational instability might allow dust to pool together in disks around young stars to form new worlds.
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Old Forests in the Tropics Are Getting Younger and Losing Carbon
New research quantifying the global impact of forest age transitions found that 140 million tons of aboveground carbon are lost per year because of old-growth forests being replaced by younger stands.
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Scientists May Have Finally Detected a Solid Inner Core on Mars
Seismic clues from NASA’s InSight mission suggest that Mars hides a solid inner core, and raise new questions about why the planet’s magnetic field disappeared.
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Spiky Sand Features Can Reveal the Timing of Ancient Earthquakes
Icicle-shaped features known as sand dikes form during ground shaking. New work reveals how these features can be used to date long-ago earthquakes.