Researchers looking for objects in the Kuiper Belt – the donut-shaped region beyond the orbit of Neptune containing icy ...

Venus, Jupiter, Saturn, Neptune and Pluto all have quasi-moons which will eventually change ... as illustrated in this artist ...

When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth ...

NASA's New Horizons spacecraft, which flew by Pluto in 2015, has offered the best-yet estimates of how dark deep space truly ...

The 11 objects discovered could be a new class of objects orbiting in a “ring” in the distant reaches of the solar system.

"My colleagues and I were over the moon when we were invited to participate in an international mission funded by Nasa." ...

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

Their work could change the way we view and study the elusive outer solar system. The Kuiper Belt is an icy, ring-shaped ...

Engineers have mitigated an issue with Voyager 1’s thrusters, enabling the mission to stay in touch with mission controllers ...

Suni Williams and Butch Wilmore of NASA spoke from the International Space Station for the first time since their Boeing ...

Venus in Libra will square Pluto in Capricorn on September 22: What does this mean for love and relationships?(Photos: NASA ...

Compared to Valles Marinensis, the Grand Canyon of Colorado is tiny, measuring 446 kilometers long, with a maximum width of ...