This star system is significant in the search for habitable exoplanets. Arcturus is the fourth brightest and has ... from navigation to the search for habitable planets. Understanding the apparent ...

The planet, if it is indeed ... about the worlds beyond our solar system Yet, by being so massive, Gaia-4b exerts a fierce gravitational pull on its star, an unremarkable orange K-class dwarf ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

This star system is significant in the search for habitable exoplanets. Arcturus is the fourth brightest and has a visual magnitude of -0.05, located in the Boötes constellation. This is a red ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system ... star-size object tweaked these ...

Tornados, cyclones and hurricanes wreak havoc on Earth, but scientists have now detected planetary winds on an entirely different scale, far outside the Solar System ... star travels through the ...

Enaiposha orbits a red dwarf star 47 light years away from our own Earth, upending previous theories of how planets are formed and structured and giving scientists a tempting window into the ...