Neptune

Voyager missions find sharp increase in density of space beyond our solar system

Voyager 1 entered interstellar space in 2012, while Voyager 2 finally crossed the boundary marking the beginning of outer space in November 2018.

Scientists identify 50 new planets from old NASA data using artificial intelligence for the first time

These planets range from worlds as large as Neptune to those smaller than Earth and with orbits that range from as long as 200 days to as little as a single day.

Centaur spotted: Astronomers find space rock near Jupiter that might transform into a comet by 2063

The rare sighting is an opportunity to see the birth of a comet as it starts to become active, researchers say.

Astronomers discover new planet as big as Neptune using NASA's TESS and Spitzer space telescopes

The study reveals that the planet is up to 58 times as massive as the Earth and completes an orbit every 8.5 days.

Auroras at Saturn's poles could be the heat source that keeps the upper layers of the planet hot, NASA's Cassini finds

Auroras are electric currents, triggered by interactions between solar winds and charged particles from Saturn's moons.

Planetesimal Arrokoth is helping astronomers understand the formation of the planets

Arrokoth, imaged by NASA's New Horizon, is located 6.6 billion km from Earth and is part of the solar system’s original building blocks.

Super Earth orbits neighboring star Proxima Century every five and half years

The planet has a mass higher than Earth, though much lower when compared to the ice giants — Uranus and Neptune.

NASA intern Wolf Cukier helps TESS find an exoplanet, TOI 1338 b, orbiting two stars

TOI 1388b is orbiting two stars in a constellation called the Pictor, which is situated nearly 1,300 lightyears from the Earth.

NASA's Hubble catches a pair of Neptune's moons in a truly bizarre 'dance of avoidance'

Naiad and Thalassa are two of Neptune's innermost moons that exist pretty close to each other.

NASA renames ice world, visited by New Horizon, 'Arrokoth' after Nazi-link backlash

The planet was named Ultima Thule after a mythical European land that is beyond the borders of the known world.