NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

New images from NASA's DART asteroid-smashing mission show space rocks exchanging material in a slow process that reshapes ...

Four years ago, NASA purposely smashed a spacecraft into a small asteroid to see if they could deflect it—a test to prove ...

SpaceX launches, NASA's Artemis II mission and a planetary collision are among the latest news updates in FLORIDA TODAY's 321 ...

This artistic impression shows the collision of two planetesimals in the young, evolving planetary system of Fomalhaut. NASA’s Hubble Space Telescope has captured the dramatic aftermath of two violent ...

Add Yahoo as a preferred source to see more of our stories on Google. Dusk at winter evening with stars and venus on the night sky at lake landscape with silhouettes trees and reflection (Sebastian ...

(CNN) — Sky-gazers will have the opportunity to see six planets in the sky on Saturday, weather permitting, according to NASA. This planetary parade occurs due to the alignment of the planets’ orbits ...

We're starting to see just how exceptional our own solar system and its history is, as more exoplanets are discovered. A ...

Satellite views and space telescopes allow scientists to see amazing wonders, such as sand seas in the Namib Desert, "spiderweb" formations on Mars, and even distant nebulae. Sometimes, though, a ...