If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Our solar system hosts almost 900 known moons; more than 400 orbit the eight planets while the remaining orbit dwarf planets, ...

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

Astro2020: Panel on Exoplanets, Astrobiology, and the Solar System Meeting One Decadal Survey on Astronomy and Astrophysics 2020 (ASTRO2020) This meeting will be closed in its entirety. The panel will ...

As part of the Decadal Survey on Astronomy and Astrophysics (Astro2020), the Panel on Exoplanets, Astrobiology, and the Solar System will identify and articulate the scientific themes that will define ...

On Oct. 6, 1995, the discovery of 51 Pegasi b in the constellation Pegasus - a planet about half the size of Jupiter approximately 50 light years away - was announced in the magazine Nature. On Oct. 6 ...

What can carbon dioxide in an exoplanet’s atmosphere teach us about its formation and evolution? This is what a recent study published in The Astrophysical Journal hopes to address as an international ...