A rocky planet beyond gas dwarfs in LHS 1903 indicates that planetary systems form in unexpected ways.

Astronomers studying a faint red dwarf star called LHS 1903 have found a four-planet system arranged in a sequence that no ...

Add Yahoo as a preferred source to see more of our stories on Google. SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system in our galaxy. Possibly a planet a ...

Greek mythology has given a name to a great many objects in our solar system. But perhaps one of the least well understood ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An Earth-size exoplanet 40 light years away called TRAPPIST-1 e, at the lower right in this illustration, could have an atmosphere ...

It provides a dynamic, time-resolved view of planetary transformation, a missing link between young inflated worlds and the compact sub-Neptunes that populate the galaxy.

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 ...

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 ...

Three hundred and forty light years from Earth, there burns a triple star system lighting a planet unlike any other world we've ever seen. What might you see, if you could go there and look up at its ...

SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system in our galaxy. Possibly a planet a little larger than Neptune orbiting a small star, the system could be ...