Metallicity is a fundamental part of the Universe. The Big Bang created mostly hydrogen, the simplest and lightest element, ...

Eleven times wider than Earth. Over 300 times more massive. And a million times more terrifying. Jupiter may look like a ...

Earth" less than 20 light-years from our own planet is offering scientists new hope in the hunt for other worlds that could ...

While researchers say they've found a potentially habitable planet, it'll take a new generation of telescopes to figure out ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

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

Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect ...

Credit: Getty Images Based on their calculations, the study team believes that Planet Y is likely a rocky world with a mass ...

They say Mars' mantle has created a 'geological time capsule' of when the planet was first formed billions of years ago. “What we found was quite unexpected ...