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 ...

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

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 ...

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

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 it hard to ignore the stars of Orion, ...

V1298 Tau links swollen young worlds to the compact planets that astronomers keep finding, and its timing signals made that ...

The NIRCam (Near-Infrared Camera) on NASA’s James Webb Space Telescope captured the actively forming protostar EC 53 (circled ...

The NIRCam (Near-Infrared Camera) on NASA’s James Webb Space Telescope captured the actively forming protostar EC 53 (circled at left) in the Serpens Nebula in this image released on Jan. 21, 2026.

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

For the first time, NASA's James Webb Space Telescope has seen a young star forge crystals in blazing heat and hurl them to the icy outskirts of its planet-forming disk, which could help explain the ...