This strange object near the solar system's edge may be a rare example of the 3-body problem in our own cosmic neighborhood.

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

Science: To space enthusiasts surprise, astronomers have discovered a new planet in our solar system called ‘Enaiposha’.

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade ...

NASA has confirmed the discovery of a mysterious new planet beyond Neptune, shaking up our understanding of the outer reaches ...

“This is due to the natural setting point of the sun on the horizon and planets’ visibility amongst its glare.” “Making this 10 celestial body alignment a short-lived and potential world first, dare I ...

A celestial body is any natural object outside Earth’s atmosphere. This includes stars, planets, moons, asteroids, comets, dwarf planets and meteoroids. The least spherical star known is VFTS ...

While parts of the Earth saw a total lunar eclipse, the Blue Ghost lunar lander captured stunning imagery of a solar eclipse on Friday. See the rare view here.

A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade. A rare grouping of 10 celestial bodies is captured in a stunning ...

known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare orbital configuration is often referred to as the "three-body problem." ...

NASA's Mars Reconnaissance Orbiter caught most of a dust devil plume in this 2008 image. The HiRise camera team said, "We got ...