Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar system.

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...

A new analysis of decades' worth of observations has revealed that Uranus does indeed emit more heat than it receives from ...

Planet Nine should appear stationary over the course of a single day but show detectable movement over months.

Scientists observed the earliest signs of a new solar system forming around HOPS-315, revealing how planets emerge from dust ...

Gardeners cannot stop ordering more and more boxes of these solar-powered lights that resemble real butterflies fluttering in the breeze.

Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in the ...