Depending on how you define "exploration of space" NASA has not halted. It currently has no U.S. space vehicles but is using Russian launch vehicles to visit the space station.
No, the last space shuttle launched by the U.S., the shuttle Atlantis (STS-135), landed on July 21st, 2011. The only manned vehicles currently launching into space are Russian Soyuz vehicles servicing the ISS (International Space Station).
Space vehicles are ones that travel in outer space. These vehicles help record scientific data and send it to Earth.
Russian Space Forces ended in 2011.
nuclear power plantnuclear battery (SNAP thermoelectric power source for space vehicles)
The Russian Federal Space Agency is commonly known as Roscosmos. It was previously known as the Russian Aviation and Space Agency.
The Russian space station was called Mir.
A Russian space traveler is called a cosmonaut.
The Russian space probe Mars 2 went to space in the year of 1973.
Sidney W. Silverman has written: 'Applicability of 100kWe-class of space reactor power systems to NASA manned space station missions' -- subject(s): Space vehicles, Nuclear power plants, Space stations
Thomas L. Labus has written: 'Solar dynamic power for Space Station Freedom' -- subject(s): Solar energy, Space vehicles, Solar engines 'Space station electrical power system' -- subject(s): Space stations, Electric power systems
Russian Space Research Institute was created in 1965.