Astronomers have just discovered a new Earth-sized exoplanet around SPECULOOS-3, an 'ultracool dwarf' star as small as Jupiter, twice as cold as our Sun, and located 55 light-years from Earth. After ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of a white dwarf star next to a large, hot planet A newly discovered star system is breaking records — and helping ...

Astronomers have discovered an extraordinary binary system in which a "dead star," or white dwarf, whips around its blisteringly hot and tiny stellar companion so fast that it squeezes almost 72 years ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Add Yahoo as a preferred source to see more of our stories on Google. About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the Helix ...

A newly discovered star system is breaking records — and helping scientists unravel the mysteries of an extreme type of planet known as hot Jupiters. In a paper published Aug. 14 in the journal Nature ...