"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA's Hubble Space Telescope could identify that ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

The Soviet Union’s successful Zond-5 space mission in 1968 prompted NASA to speed up the Apollo program—ultimately driving it ...

Three celestial bodies will meet up for one night in September in a cosmic conjunction that should be widely visible in the Kentucky sky. What to know ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

Family, today I want to talk to you about something super interesting. Recently, scientists discovered some objects near the ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

Initially, it was classified as a comet, but the object's behavior and composition did not match any known comet models. What sets ‘Oumuamua apart is its high reflectivity, unusual elongated or ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was ...