Tidal tomography reveals a thermal anomaly beneath Mars’s crustal dichotomy
Modelling the time-varying gravity field The gravitational potential for Mars, U(r, λ, ϕ), can be expressed as a sum over…
Scientists discover remnants of Theia, the planet that collided with Earth 4.5 billion years ago
Two continent-sized structures deep inside Earth may contain remnants of Theia, the ancient planet thought to have collided…
The race to explore the deep ocean: four technologies transforming research
The bottom of the ocean has been mapped in much less detail than has the surface of Mars.Credit:…
Anatomy of a seafloor spreading event captured by in situ seismogeodesy
Macdonald, K. C. Mid-ocean ridges: fine scale tectonic, volcanic and hydrothermal processes within the plate boundary zone. Annu.…
Geophysicists solve the mystery of a 75-year-old ‘gravity hole’ in the Indian Ocean
South of India, the ocean surface slumps into one of Earth’s strangest depressions, a gravity hole so deep…
NASA Satellite Captures First-Ever High-Res View of Massive Pacific Tsunami
A powerful magnitude 8.8 earthquake off Russia’s Kamchatka Peninsula sent a tsunami racing across the Pacific—and for the…
Earth’s Crust Is Tearing Open in Africa, and It Could Form a New Ocean
Scientists have found that the crust beneath East Africa’s Turkana Rift is thinning to a critical point, signaling…
Why Most Alien Worlds May Be Too Dry for Life
This image of Venus taken by NASA’s Mariner 10 spacecraft (left) is paired with an artist’s depiction of…
Scientists Say a Hidden Structure May Exist Inside Earth’s Core
Scientists have found evidence that Earth’s inner core may contain a previously unknown layer, suggesting the planet’s center…
Earth’s oldest crystals suggest an early start for plate tectonics
A scientifically faithful impression of Earth during the Hadean eon.Credit: Southwest Research Institute/Simone Marchi Ancient rock crystals from…
Global subsidence of river deltas
Selection of global river deltas We selected 40 deltas globally, prioritizing 35 deltaic systems with the greatest exposed…
Spin transition in magnesiowüstite and ultralow thermal conduction in ultralow velocity zones
Thermal conductivity of Fp25 and Fp75 at high pressure and room temperature We used ultrafast time-domain thermoreflectance (TDTR)…