The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

Can planets be different shapes? This video explores the fascinating world of planetary shapes, discussing how gravitational forces and other factors influence their forms. Discover the scientific ...

Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, ...

Want to spot up to six planets at once in the night sky? Look up before dawn for the second and last "planet parade" of the ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

It’s often said—we said it again ourselves just last week, in fact—that our own Solar System isn’t as typical as scientists once imagined. We’ve got four small, close-in, rocky planets (Mercury ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

In the swirling clouds of gas and dust that surround newborn stars, planets begin to form. These planet-forming disks are ...

Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle ...

ATLANTA — On most clear nights, you can catch a view of one or two planets in the night sky. Friday evening, seven planets will be aligned, briefly visible from Earth's perspective. Although the ...