Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...

Astronomers now understand that water-rich planets can form internally, even close to stars. A new study reveals that ...

Harvard astrophysicist Avi Loeb disputes Elon Musk's claim that the interstellar object 'Oumuamua contains nickel, reigniting ...

Europe's Ariane 6 heavy-lift rocket is scheduled to launch today (Nov. 4) for the fourth time ever, and you can watch the action live.