Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

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.

On Sept. 14, 1959, the Soviet probe Luna 2 -- known informally as Lunik 2 -- became the first Earth-launched space vehicle to ...

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 ...

By the time Voyager’s primary mission ended with Voyager 2's 1989 Neptune encounter, earthlings had the 80486, the Gameboy ...

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

NASA unveiled a new discovery inside our solar system. We had only seen these big lakes filled with water on Earth - but this ...

The space around Uranus just got a bit more crowded.Astronomers using the James Webb Space Telescope recently announced the ...

On Sept. 17, 1787, the U.S. Constitution, completed in Philadelphia, was signed by a majority of the 55 delegates to the ...

Saturn is reclaiming its throne in the night sky and on September 21 will make its closest approach to Earth for the year.

Scientists have recently uncovered a fascinating new exoplanet a mere 30 light-years away from our solar system. What sets ...

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound ...