The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Earth has a new neighbor that lives far, far away. Scientists from the Institute for Advanced Study's School of Natural ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

( NewsNation) — Venus could be hiding asteroids that would be deadly if they hit Earth, some experts say. A new study published in the journal Astronomy and Astrophysics has shown that Venus has at ...

Lunar exploration is entering a new era. Long after the Apollo missions, a renewed international interest comes with ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

Learn how to build a DIY solar generator inspired by NASA tech. Save energy, reduce your carbon footprint, and harness the ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...