NASA chief Jared Isaacman’s call to restore Pluto’s planetary status has reignited a long-running scientific debate over ...

"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about." ...

New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, ...

Somewhere between the scorching extremes of hot Jupiters and the frozen depths of gas giants like Saturn lies a planet that astronomers have spent years looking for and struggling to study: a ...

NASA’s Psyche spacecraft just used Mars as a giant slingshot on its journey to a mysterious metal world that could reveal what’s hidden inside planets like Earth.

The largest moon in the solar system — Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could ...

A giant planet nearly 700 light-years away has a bizarre daily weather cycle where mineral clouds appear every morning and ...

NASA’s James Webb Space Telescope has uncovered a rare alien world that sits in a cosmic “sweet spot” between scorching hot Jupiters and frozen gas giants like Saturn.

He says it may be seeding life like an "interstellar gardener." The post Scientist Suggests That 3I/ATLAS May Have Seeded ...

An artist's illustration depicts the exoplanet LHS 3844b. (NASA/JPL-Caltech/R. Hurt (IPAC)) The James Webb Space Telescope (JWST) has revealed a dark, scorched world that may be similar to the Moon or ...

NASA’s Psyche spacecraft just used Mars as a giant gravitational slingshot to continue its journey toward a strange metal rich asteroid. The close flyby boosted the spacecraft’s speed by about 1,000 ...