The system ʋ Octantis (pronounced nu Octantis) should be hostile to planets. It contains a sub-giant star 57 percent heavier than our Sun and a white dwarf about 43 percent lighter.

To report the list, we have discussions with MLB scouts, coaches, analysts and front office officials. We also see players in person and utilize as much data as we can get our hands on.

Now, a newly identified object spotted in two infrared sky surveys has renewed the question of whether the elusive and hypothetical Planet 9 actually exists. According to a new pre-print study ...

Planet Nine, also known as Planet X, is a hypothetical celestial object that would distantly orbit our Sun – but there is significant debate in the scientific community about whether it exists.

What do the researchers say? Astronomers engaged in the search for a hypothetical ninth planet in our solar system have identified a promising candidate situated well beyond Neptune, according to ...

Astronomers may have uncovered a potential candidate for the elusive Planet Nine, a hypothetical planet located far beyond the orbit of Neptune. This discovery comes from a reexamination of ...

In an East Village gallery, K Allado-McDowell has created an audiovisual tribute to species we have lost as a rehearsal for a proposed physical monument.

The argument for the planet has to do with the Kuiper Belt: a region of icy debris far beyond Neptune’s orbit. The hypothetical planet would explain some strange orbits of the objects there.