The atmosphere of the sun may extend beyond the orbit of the earth before its density falls to that of the gas in interstellar space. Where, then, does the earth's atmosphere end and the sun's begin?

Though it might not seem like it on a cold day in winter, the Earth is actually technically inside the atmosphere of the Sun. But evidence outlined in a recent paper suggests it hasn't always been ...

Dr. Kelly Miller from the South West Research Institute and Lead author of a paper about Titan’s atmosphere said “While just ...

As a result, they found that the atmosphere of this alien world contains water ... seven times larger and 32 times more massive than the Earth. It orbits its host star every 5.44 days, at a ...

Instead of a hydrogen-rich super-Earth, or a water world, the new data revealed concentrations of carbon-dioxide (CO 2) comparable to the levels found in the dense CO 2 atmosphere of Venus in our ...