The solar system formed approximately 4.5 billion years ago. Numerous fragments that bear witness to this early era orbit the Sun as asteroids. Around three-quarters of these are carbon-rich C-type ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in a 2015 image. Now, researchers think they have solved the mystery of ...

The core of the Red Planet may be filled with sulfur. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New experiments have shown that the core of ...

Planet formation used to sound straightforward: dust clumps into rocks, rocks grow into worlds, and the rest is detail. A ...

Astronomers have discovered an extrasolar planet with the largest core of any known planet. The discovery is especially exciting to planet formation theorists, because it provides extremely strong ...

Astronomers have identified a wildly distorted world that looks less like a sphere and more like a squeezed citrus fruit, and it is rewriting what I thought I knew about how planets form and survive.