The “most vocal” Pluto advocate has been the planetary scientist Alan Stern. “Science isn’t about voting,” he said in 2016 of ...

Astronomers detected signs of a thin atmosphere around distant object 2002 XV93, surprising scientists who believed it was ...

Astronomers have discovered a thin atmosphere around a small celestial body in the outer solar system for the first time, ...

NASA reopens debate: Administrator Jared Isaacman told a Senate committee he wants to revisit Pluto’s planetary status, with internal papers reportedly underway at NASA. From planet to dwarf: Pluto ...

A strange “forbidden” planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere ...

Nearly six years after the release of The Last of Us Part 2, a player uncovers a subtle detail that sparks fresh discussion ...

Sky This Week is brought to you in part by Celestron. Friday, May 8Pluto is stationary at 7 A.M. EDT in Capricornus, although ...

An oddity among exoplanets, L 98-59 d is (so far) in a class all its own, but astronomers expect powerful new telescopes will ...

Scientists have been baffled by the object.

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

An army of volunteers is helping NASA and the scientific community uncover tiny wanna be suns. Volunteers with NASA's ...