NASA’s planetary science program is still facing a funding shortfall that requires “strategic choices” about which missions to continue.

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 ...

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created ...

Scientists have simulated the formation of a giant crater on Asteroid 16 Psyche to predict what the space rock looks like on the inside. Nasa's Psyche mission, arriving in 2029, will finally reveal ...

Four years ago, NASA purposely smashed a spacecraft into a small asteroid to see if they could deflect it—a test to prove humanity could protect Earth from threatening space rocks.

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

We're starting to see just how exceptional our own solar system and its history is, as more exoplanets are discovered. A fourth exoplanet discovery in the LHS 1903 system made by ESA's CHEOPS mission ...

Space is still the final frontier, and NASA has announced that the frontier is more vast than we realized. The NASA Kepler mission has discovered 715 planets set up in multiple-planet systems a lot ...

Venus and Saturn are due for a visually striking event known as a planetary conjunction this weekend in time with daylight ...

This solar system montage of the nine planets and four large moons of Jupiter in our solar system are set against a false-color view of the Rosette Nebula Credit: NASA/JPL/ASU PEEC NEWS RELEASE ...