A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Some parades occur when only three or four planets align in our sky, but the coming one on February 28 is a bit more rare.

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

Add Yahoo as a preferred source to see more of our stories on Google. This image provided by NASA shows an artist’s illustration of the Tess telescope. Astronomers have discovered six planets orbiting ...

Astronomers gazing upon a star system not too far from Earth were recently treated to a marvelous discovery: a group of six planets moving around a sun-like star in a seemingly perfect cosmic dance ...

A six-planet "parade" — an alignment with Mercury, Venus, Neptune, Saturn, Uranus and Jupiter — is coming Feb. 28. When and how to watch it in Ohio.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

SIX planets will align in the evening sky this week in a rare cosmic phenomenon you’ll be able to see with your own eyes. Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter will all appear ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces since ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ...