Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 ...

Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with ...

In the early chaos of planetary formation, before crusts cooled or atmospheres settled, water might already have been ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Researcher Valentin Bickel wanted to know just how intense winds can be on the Red Planet. Using data obtained by the Mars ...

Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between magma oceans and primitive atmospheres during their early years, according ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.

New research has revealed for the first time the full extent of how "Artificial Light At Night" (ALAN) is increasing carbon ...