Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

Today’s Forbes Daily covers Trump Mobile cell service, latest on Israel-Iran conflict, deportation to target large US cities, billionaire builds travel business and more.

Musk has taken a liking to being in all the headlines. This time, it’s because of a rather intense standoff between major ...

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...

Portal Space Systems will set up a 50,000-square-foot spacecraft manufacturing facility near its design and testing hub in Bothell, Wash.

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

A new book shows that the Northern Dene people of Alaska and Canada have known far more about the stars than an earlier ...

Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...

The James Webb Space Telescope reveals new details about Pluto's climate. Data confirms that Pluto's haze regulates its ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...