Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

The planets in our solar system grew out of a disk of material that swirled around our Sun. Inner rocky planets formed as tiny grains stuck together ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

A Sun-type star situated nearly 3,000 light-years from Earth has provided astronomers with a unique opportunity to observe an unusual after-effect of a planetary system’s evolution. When this star, ...

Astronomers have, for the first time, captured a gallery of detailed snapshots of planetary systems during their "teenage years," an era long shrouded ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive planetary collision.

NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, offering a new clue to how comets evolve.

Astronomers have observed a Sun-like star dim dramatically for nearly nine months after being obscured by a vast cloud of gas and dust. A huge cloud filled with vaporized metals has been spotted ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

With much of North America shivering in a deep freeze, I’d be surprised if many folks are doing stargazing! If you’re one of the intrepid few, you’ll find ...