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

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 ...

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

The CZ-3B/E Y110 flew on an eastbound path and launched Tianwen-2 on an Earth escape trajectory. Tianwen-2 will orbit ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Pluto was long considered the ninth planet of the solar system, but changes to the definition of planet got it kicked out of ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' research focused on two of the smaller ones, Amalthea and Thebe. Both are inside ...