These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

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

Aging stars can completely destroy their planets. When a star reaches the end of its life on the main sequence, it goes ...

Learn about HD 137010 b, a cold Earth‑sized planet candidate that sits near the outer edge of its star’s habitable zone.

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

Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a ...

A planet that looks faintly familiar has emerged from old space telescope data, though it may be far from welcoming. Scientists analysing observations.

Clyde Tombaugh, who was born on this day in 1906, grew up on a farm in Kansas and was captivated by sights of the moon and ...

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 ...