As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Far beyond Neptune lies a vast and unsettling frontier filled with dwarf planets, ancient ice worlds, collapsing atmospheres, strange moons, and orbits that take thousands of years to complete. From ...

Some of the most influential voices in planetary science and space-inspired culture will take center stage on Feb. 14 as Lowell Observatory hosts “A Night of Discovery,” the keynote event ...

One of the longest stellar dimming events ever observed was likely caused by the gigantic saucer-like rings of either an ...

Hunt for the names of mysterious dwarf planets, most of which orbit on the fringes of our solar system When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

The similarities are astonishing. And yet... The post NASA Telescope Discovers Nearby Planet With Deep Similarities to Earth ...

The flyby offered a window into Pluto’s geology, atmosphere, and potential habitability, uncovering features like Sputnik Planitia’s convection cells, young cryovolcanoes, and reddish tholin-rich ...

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

A research team has successfully imaged a nova in high resolution—and the images suggest that the nova was not a single, impulsive explosion. A nova is an astronomical phenomenon that occurs in a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...