You need only look up to get a sense that there's a lot of darkness between the stars, but how dark is it? Measuring the inky ...

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

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

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

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 ...

The Vera C. Rubin Observatory could be key to discovering a ninth planet in our Solar System that has so far remained in ...

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

Sedna, which is about three-fourths the size of Pluto, is the first dwarf planet discovered in the Oort Cloud. NASA's New Horizons mission performed history's first flyby of the Pluto system on ...

Eighteen years ago today, Pluto lost its planetary status in a vote by International Astronomical Union (IAU) members on the final day of their 2006 general assembly meeting. The word "planet ...

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

Analysis - When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun's ninth planet, many astronomers and non-experts alike were shocked.