The solar-sailing spacecraft LightSail 2 has sent a selfie home as it completes its third year in orbit around Earth.
Learn more about NASA's New Horizons mission, which performed history's first flyby of the Pluto system on July 14, 2015.
Reference Learn how stars form, how stars and constellations are named, what happens when stars like our sun evolve, and ultimately, die.
An area of Pluto that researchers think was formed from the eruption of ice volcanoes is unique on the dwarf planet and in the solar system, a new study suggests.
Reference Explore our 25 weird solar system facts and see how our neighborhood is stranger than we could ever imagine.
Neptune is the farthest planet from the sun and was the first to be predicted before it was discovered.
Reference Learn about the physical characteristics of Saturn and its famous rings, what we know about Saturn’s moons and Saturn’s roots in Greek mythology.
REFERENCE Learn about the size, shape and composition of asteroids as well as their history, naming conventions, and plans to mine them in the future.
Reference Learn about the discovery of dwarf planet Pluto, its fascinating orbit and atmosphere and the controversy surrounding its planetary status.
New Horizons was the first spacecraft to visit dwarf planet Pluto and Kuiper Belt object Arrokoth. The spacecraft is still actively exploring the solar system.
Learn about the composition and orbit of comets, as well as the history of their discovery, famous comets and space missions to analyze them.
NASA has released new visualisations of the dwarf planet Pluto and its largest moon Charon to commemorate the first-ever up close exploration of the distant worlds.
Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
New Horizons is about to reach some very rarefied space, but don't expect the NASA probe to rest on its considerable laurels.
Fifteen years after launching and six years after becoming the first probe to fly by Pluto, NASA's New Horizons is reaching 50 AU, a marker that has been passed only by four other spacecraft.
Alan Stern, who leads NASA's New Horizons mission to Pluto and beyond, has been selected to fly aboard SpaceShipTwo, Virgin Galactic's six-passenger suborbital space plane.
Get ready to see the Red Planet up close this week: , offering the closest view of the planet until 2035.
New Horizons' historic flyby of the KBO 2014 MU69, also known as Arrokoth, has revealed incredible insights about the birth of the solar system.