Skygazers across Texas and beyond can catch a glimpse of six planets arcing across the night sky this week in a so-called ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The ...

Six planets will align on Feb. 28, but not all will be seen with the naked eye. Here's how to watch the cosmic parade.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

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

Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

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

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

The planetary system, located 120 light-years away, features four worlds orbiting a red dwarf star and challenges classical formation schemes.