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

A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday.

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...

What can the galactic habitable zone (GHZ), galactic regions where complex life is hypothesized to be able to evolve, teach scientists about finding the correct stars that could have habitable planets ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.

There are systems crammed with multiple planets that move in almost musical rhythms with one another; rogue planets floating freely in the Galaxy; and alien worlds ... we’ve seen before and ...

The galaxy is getting messy: astronomers have found planets that meander around space without neatly orbiting a star. This contradicts everything we learned in our 8th grade science class.

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...