In microgravity, flames form a spherical shape due to the absence of buoyancy-driven convection. Meanwhile, flames are ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Ice cores, tree rings, and satellite data converge on a striking truth: Earth’s rapid changes today are unlike anything seen in human history. When most people hear the term Earth science, they think ...

Earth Science Week 2025, an annual worldwide celebration of the geosciences led by the American Geosciences Institute (AGI), is underway from October 12–18, 2025, with the theme “Energy Resources for ...

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...

Humans are gambling the very stability of Earth's life support systems, scientists said Wednesday, warning that ocean acidity was yet another key planetary threshold to be breached. A team of global ...

A developing pyrocumulonimbus cloud above Oregon's Gulch Fire, part of the Beaver Complex Fire, in 2014. On September 5, 2020, California’s Creek Fire grew so severe that it began producing it’s own ...

This lecture was presented as part of the 2010 Exploring Space Lecture series "From Fire To Ice: Forces That Shape the Planets." The planets and moons of the Solar System are incredibly diverse worlds ...

Plate tectonics give rise to Earth's mountain ranges, earthquakes and the long-term movement of continents, and may even have provided the right conditions for life on Earth. But as far as we know, no ...