Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...

Previous examinations using ground-based tools as well as the Hubble and Spitzer space telescopes indicated SIMP 0136 was ...

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...

Saturn has decisively claimed the crown. With the discovery of 128 new moons, the ringed planet’s total count has soared to 274 — nearly twice as many as all other planets combined. Jupiter now trails ...

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

“These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons that were broken apart by violent collisions, either with other Saturnian moons ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...