That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for extraterrestrial life.

SummaryNASA's new Interstellar Mapping and Acceleration Probe, or IMAP, will launch no earlier than Tuesday, Sept. 23 to ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

This giant protective bubble, created by the Sun’s solar wind, extends far beyond the orbit of Neptune and shields life in our solar system from harmful cosmic radiation and high-energy particles.

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

Contrary to its name, Voyager 2 was the first of the vehicles launched into space first in Aug. 20 1977 from Florida. Its twin probe, Voyager 1, launched two weeks later on Sept. 5. At more than 15 ...