On Episode 176 of This Week In Space, Rod Pyle and Tariq Malik are joined by Alan Stern to talk about what is next in deep ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

This spacecraft is quite remarkable, having recently completed a deep space stellar navigation test. You might wonder, what ...

A mysterious new world may be hiding in the outer reaches of our solar system. According to arecent study published on arXiv ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids in the Kuiper Belt could be triplets.

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Sailing onward, the probe carried out a Jan. 1, 2019 flyby of Arrokoth, a Kuiper Belt Object, or KBO, located in a region of space beyond Neptune called the Kuiper Belt. There are scads of other ...

The Kuiper Belt object Altjira was thought to be a binary, but closer analysis suggests that it is highly likely to be a triple system This raises the question of the three-body problem; if ...

Today, let's talk about New Horizons. This spacecraft is truly impressive, having recently completed a deep space star ...