Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Astronomers have discovered an extrasolar planet with the largest core of any known planet. The discovery is especially exciting to planet formation theorists, because it provides extremely strong ...

How did a planet this big form around a star this small? An international team of astronomers, including researchers from the University of Liège and collaborators in UK, Chile, the USA, and Europe, ...

EAST LANSING, Mich. – For decades, scientists believed Vesta, one of the largest objects in our solar system’s asteroid belt, wasn’t just an asteroid. They concluded that Vesta has a crust, mantle and ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery challenges long-standing ideas about how planets form and orbit in the cosmos.

Five new exoplanets have been discovered—each of them so young, they are still growing. The baby planets were discovered by researchers in the midst of an international planet hunt, using a new ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid and eventually concluded it was more like a planet with a crust, mantle ...