Astronomers are tracking strange orbital patterns in the outer Solar System that suggest a massive unseen planet may exist beyond Neptune.

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

The ice giants remain some of the most interesting places to explore in the solar system. Uranus in particular has drawn a ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect starlight, and nobody does it better than LTT9779b. This world reflects 80 ...