This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

sacrificing precious habitable surface area in the process. On the other hand, the planet orbiting the white dwarf is rotating so fast that it never has time to build up nearly as much cloud cover ...

Florida Tech's Caldon Whyte is two years into a lengthy universe exploration to earn his Ph.D. in space sciences ... be Detected on Earth-like Planets Orbiting White Dwarfs, " published in ...

A team of four astronauts took the first X-ray of a human hand in space as they floated high above our planet, making medical ...

That means the foursome are also not within the habitable zone of the star, or just the right distance from the star where liquid water can stably exist on the surface of the planet.

The Geostationary Operational Environmental Satellites (GOES) captured a stunning view of Earth’s western hemisphere, with white clouds and snow, deep blue oceans, and green and brown continents. NASA ...

The First Spacewalk (1965): This iconic photo of Ed White floating freely during NASA’s Gemini 4 mission captured America’s first-ever spacewalk. It showed the world that humans could survive and move ...

From up here on the International Space Station I get a great ... Venus is the hottest planet in the solar system. Mars has a hard, rocky surface with lots of iron in the soil which rusts, making ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. Earth is also unique in terms of ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here ... Mars has a hard, rocky surface with lots of iron in ...

And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the fourth planet from the sun could have been mistaken for Earth’s smaller twin ...