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 ...