Lab experiments on pieces of granite reflect natural aftershock dynamics and highlight the role of rock roughness along a fault.
Newly Discovered Salts May Exist on Icy Moons
For the first time in more than a century, scientists have identified new sodium chloride crystals. The discovery may reconcile puzzling spectroscopic images of Europa’s surface.
How to Bend Lightning with a Laser Beam
For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.
Decoding the Secrets of Shifting Sediments
In the small-scale details of grain shape, researchers have found a new way to understand how sediment flows in a river, a process shaping Earth’s landscapes.
Ants Aren’t Adapting to Warmer Temperatures
Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.
Does This Mineral Indicate Oxygen on Mars?
Manganese oxides are thought to be a signature of atmospheric oxygen. But on the Red Planet, recent results suggest they might be more of a red herring.
Testing the Resilience of the Amazon
A mega-experiment in Brazil will evaluate how tropical rain forests absorb carbon as emissions increase.
Warmer Winters Keep Crops Sleepy into Spring, Hurting Yield
Annual crops go dormant during winter. Frosty temperatures cue them to wake up—but the warmer winters brought on by climate change scramble the cold signal, hurting yield.
New Results Deepen the Mystery of Earth’s Early Magnetic Field
How was Earth’s early magnetic field produced? New experimental results and modeling show that the energy source could not have come from exsolution of lithophile elements from the core.
Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes
For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.