MORE IS known about the surface of Mars than the floor of the ocean. By one count America spends 150 times more on space exploration than ocean research. Scientists have mapped almost every Martian ...

Spacecraft navigation explained with radio tracking, optical systems, and autonomous methods that enable deep space ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

A new Chinese research institute is exploring the impact on cognition of voyages into outer space and the deep ocean, and is also seeking global researchers to join its ranks. Extended space flight ...

25.4 x 20.3 cm. (10 x 8 in.) ...

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 ...

[Apollo 17] The last human in deep outer space: Ronald Evans performing the last deep space spacewalk, at the greatest distance from any planetary body, 1972 ...

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.