A 3.5-gallon volume of deep space, specifically within the Milky Way's Orion-Cygnus Arm, would contain approximately 4 million neutrinos and about 13,000 gas atoms, predominantly hydrogen and helium.

Every known planet, moon, and asteroid in our solar system occupies a volume of space both enormous and yet tiny compared to the vast empty gulf between stars. But interstellar space isn't truly empty ...

On March 19, one of NASA's Deep Space Network facilities — located in Canberra, Australia — entered its 60th year of relaying priceless information between scientists on Earth and the spacecraft they ...

The aging infrastructure of the Deep Space Network is operating at capacity and in desperate need of an upgrade. The latest news isn't helping. Reading time 3 minutes A massive antenna used to ...

Sound needs a medium (solid, liquid, or gas) to travel. Space is a vacuum, lacking the matter to carry sound waves. No sound in space means no echoes. While a near-perfect vacuum, some sounds can be ...

This screenshot from CCTV (China Central Television) shows China’s first moon rover Yutu, or Jade Rabbit, in an image taken by the camera on the Chang’e 3 moon lander, Dec. 15, 2013. China does not ...

The Chinese company Deep Blue Aerospace is getting into the space tourism business. Deep Blue, which is based in the eastern province of Jiangsu, announced on Wednesday (Oct. 23) that it plans to ...