Astronomers have discovered an exoplanetary system, 116 light-years away, that could redefine our understanding of how planets form.

Add Yahoo as a preferred source to see more of our stories on Google. illustration of exoplanet WASP-121b, or Tylos, with its double helium tail spanning nearly 60 percent of its orbit around its ...

Infant planets are ravenous little blighters that quickly devour what remains of the star-circling gas and dust clouds in which they form. The gas in these protoplanetary disks disappears rapidly, ...

A new set of observations from the James Webb Space Telescope has captured intricate dusty structures surrounding a young, forming planet, offering unprecedented insights into the earliest stages of ...

A Sun-type star situated nearly 3,000 light-years from Earth has provided astronomers with a unique opportunity to observe an unusual after-effect of a planetary system’s evolution. When this star, ...

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 light-years away, is still consuming the rocky remains of its former ...

How do terrestrial planets like Earth form and evolve to enable life to exist? This is what a recent study published in Nature hopes to address as a pair of scientists from the Southwest Research ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

Debris disks are circumstellar structures composed of dust and rocky debris generated by collisions among planetesimals and other small bodies. These disks offer a direct window into the dynamical ...