The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about its mass and direction. Scientists have known about this and other rogue ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

“Bit by bit, these tiny building blocks land on rocky planets within a newly formed solar system. If those planets happen to ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing link in planet formation.

New research suggests that essential components of life may assemble in interstellar space long before planets or oceans ...

A sizzling exoplanet caught by the James Webb Space Telescope is shedding its atmosphere and leaving behind two gigantic helium tails.

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

NASA’s Hubble Space Telescope captures visible and infrared images of protoplanetary disks, showing gas and dust structures ...