"What this means is, when you look up at the thousands of stars in the night sky, the nearest sun-like star with an Earth-size planet in its habitable zone is probably only 12 light years away and can be seen with the naked eye." - Erik Petigura

Find out what deep space sounds like in a new video from NASA.

Much of the world can see at least a partial solar eclipse on Sunday, November 3. From North America's east coast, the eclipse will be in progress at sunrise.

Relatively few people got to see the totality - when moon covered the sun completely - in the solar eclipse of Sunday, November 3. But there were many, many beautiful photos.

"I hope that you enjoy the film, creating it was definitely a highlight experience in my life that I will always remember." - Daniel Lowe

With a radius about 1.2 times that of Earth and a mass equal to about 1.7 times Earth’s, Kepler-78b has a density that's the same as Earth’s, suggesting that it is also made primarily of rock and iron.

The Orion spacecraft - planned to carry astronauts on missions beyond low-Earth orbit - has been powered on for the first time at Kennedy Space Center in Florida.

Still probably many years in the future and most likely international in nature, a Mars sample-return mission is one of the most challenging space ventures possible for robotic exploration.

Justin Ng in Singapore acquired this time-lapse video of Comet ISON - this year's most-watched comet - over 69 minutes on October 27, 2013.

“Asteroid impacts have dramatically altered the course of life on Earth and a rogue asteroid will certainly strike Earth, posing a global threat to human life and society.” - Astronaut Tom Jones