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

Earth's magnetic field may have been similarly as strong 3.7 billion years ago as it is today, pushing the earliest date for this planetary protective bubble back 200 million years. "When we're ...

A new NASA study reveals a surprising way planetary cores may have formed—one that could reshape how scientists understand the early evolution of rocky planets like Mars. Conducted by a team of ...

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 ...

New experiments have shown that the core of Mars formed much faster than Earth's core, thanks to molten iron and nickel sulfides seeping down through solid rock and into the center of the Red Planet.

A recent astronomical discovery has shaken long-held beliefs about how planets form. For decades, scientists thought that stars much smaller than our Sun couldn't form giant planets. That theory just ...

An international collaboration including researchers from Lawrence Livermore National Laboratory has discovered that the Earth’s core formed under more oxidizing condition’s than previously proposed.

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 ...

NASA's Psyche mission arrives at the asteroid in 2029, when it will get the chance to solve the mystery. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...