Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

Called 3I/ATLAS, the comet is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system ...

A Jupiter-like planet has been found orbiting a young sun-like star in a solar system far away in what is a potentially groundbreaking discovery. The planet, named WISPIT 2b, is believed to be a 5 ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant ...

New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life ...

In our own solar system, Mercury, Venus and Earth will be destroyed when the Sun eventually becomes a red giant before transitioning into a white dwarf. For a planet to survive this process, it would ...