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

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

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.

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

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

Could Mysterious Black Hole Burps Rewrite Physics?

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.

To celebrate pride month we've put on our sparkliest shirts, whipped out our pride flags and got streaming some of our ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption event.

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