Researchers have analyzed the shifting patterns of entire dune fields on Earth and Mars, as seen from orbit, and found they are a direct signature of recent environmental change. This new tool can be ...

(A–B) Locations of mapped dune fields on (A) Earth and (B) Mars. (C–D) Examples of mapping and interaction identification on (C) linear dunes in Tanami Desert, Australia, and (D) crescentic dunes at ...

Scientists have discovered a new, persistent pattern in Earth's inner radiation belt using data from the twin NASA Van Allen Probes spacecraft. Most surprisingly, the pattern is produced by the slow ...

The pattern of geological boundaries may not be as unstable as people have thought, as these boundaries exist between geological wedges of time, like eons, periods, and epochs. Each of these wedges is ...

Earth is not a quiet rock in space. Deep inside, there is a molten interior that stays extremely hot, shifting slowly and ...

Life finds a way. Paleontologists have reiterated that maxim over and over, often drawing from the way organisms seemed to bounce back from the five mass extinctions Earth has suffered. These events ...