On this scale a circle two and a half miles in diameter would include all the members of our solar system; but on this scale the nearest fixed stars would be nearly as distant as is our moon.

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

TIM:When I was up on the ISS, that different perspective really brought home the sheer scale of the universe. The vastness of our Solar System and the distances involved is something that's hard ...

Solar and cosmochemical data indicate high levels of carbon, nitrogen, and oxygen in the Sun. Researchers have unveiled a new ...

GUPTA: The scale of this place is just astonishing ... NARRATOR: Jupiter is the largest planet in our solar system, and its gravitational pull on Io is enormous. GUPTA: As Io comes in towards ...

"This increase in activity provides an exciting opportunity to learn about our closest star—but also causes real effects at ...

million-degree hot gas that surrounds the solar system. The investigation has revealed a large-scale temperature gradient within this bubble, called the Local Hot Bubble (LHB), meaning it contains ...