Geology
Earth’s Magnetic Field Almost Completely Collapsed 550 Million Years Ago
More than half a billion years ago, Earth experienced an almost-complete collapse of its magnetic field. It began in the…
Scientists Identify the Source of a Famous Meteorite as One Crater on Mars
If we think untangling Earth's complex geological history is difficult, think of the challenge involved in doing the same for…
Mars' Carbon Dioxide Glaciers are on the Move
New research has shown that the southern polar glaciers on Mars are migrating, and have been for a very long…
Jupiter’s Moon Io has Dunes. Dunes!?
New research led by Rutger's University has led to an explanation for why there are dunes on Jupiter's volcanic moon…
Marsquakes are Caused by Shifting Magma
Before the InSight Lander arrived on Mars, scientists could only estimate what the planet's internal structure might be. Its size,…
Primordial Helium, Left Over From the Big Bang, is Leaking Out of the Earth
Something ancient and primordial lurks in Earth's core. Helium 3 (3He) was created in the first minutes after the Big…
Pluto’s Surface was Shaped by Ice Volcanoes
For all of Earth's geological diversity and its long history, the planet has never had ice volcanoes. But Pluto has.…
These are Star Dunes on Mars, Formed When the Wind Comes From Many Different Directions
Missions to Mars are expensive, even orbiters. They're there to do science, not take pretty pictures. But sometimes Mars' beauty…
The Strange Swirls on the Lunar Surface are Somehow Related to Topography
The Moon is the most studied object in space. But our nearest neighbour still holds a few mysteries. One of…
How did Earth go From Molten Hellscape to Habitable Planet?
Earth formed from the Sun's protoplanetary disk about 4.6 billion years ago. In the beginning, it was a molten spheroid…