Two recently published papers zoom in on the mystery source of methane in the Martian atmosphere.
unsolved mysteries
Posted inNews
Magnetic Stop Signs Show Birds the Way Home
Just like salmon and sea turtles, these songbirds appear to be sensitive to shifts in the magnetic field.
Posted inScience Updates
New Perspectives on the Enigma of Expanding Antarctic Sea Ice
Recent research offers new insights on Antarctic sea ice, which, despite global warming, has increased in overall extent over the past 40 years.
Posted inNews
A New Model for an Old Extinction Event
A 3D Earth system model incorporates variables such as temperature and sulfurization to shed light on the end-Permian extinction event.
Posted inResearch Spotlights
Radiometric Dating Sheds Light on Tectonic Debate
The emplacement of the Samail Ophiolite in Oman has been a source of disagreement among geologists. New state-of-the-art research offers a fresh perspective on its timing and geometry.
Posted inResearch Spotlights
Understanding Rare Rain Events in the Driest Desert on Earth
A new study reveals the atmospheric paths of storm events that can deliver a decade’s worth of rain in a few hours to the Atacama Desert.
Posted inNews
How Much Did the Moon Heat Young Earth?
Tidal heating may have raised the surface temperature of early Earth and triggered global volcanism, a new study says.
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“Sticky” Ice Sheets May Have Led to More Intense Glacial Cycles
New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.
Posted inNews
Sediments Suggest Vikings May Have Been the First to Settle the Azores
A multidisciplinary team studying lake sediments and climate change found evidence that the archipelago was inhabited 700 years earlier than historical sources claim.
Posted inScience Updates
Planetary Dunes Tell of Otherworldly Winds
On Earth and throughout our solar system, ripples and dunes in sand and dust offer insights into how winds blow, liquid currents flow, and solid particles fly and bounce over the terrain.