An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

As atmospheric observations of exoplanets become increasingly precise, it is more important than ever to correctly account ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

During this clumping together, gaps open up in the protoplanetary disk, which we see as rings around the star. The Atacama ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely visible in the sky.

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until now.

The solar system is 4.54 billion years old, based on rock dating. Gas giants (Jupiter and Saturn) likely formed first. Ice giants (Uranus and Neptune) probably formed next. Rocky planets formed last, ...