There's a broad consensus in the scientific community that a follow-up mission to Pluto should be an orbiter, and not a ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Saturn will rise above the eastern horizon beneath the stars of the constellation Pisces shortly before midnight for viewers in the U.S. on July 15, with the waning gibbous moon shining roughly three ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Aeolian bedforms are common on Earth and across the solar system, including on Mars, Venus, Pluto, the Saturn moon Titan, the Neptune moon Triton, and Comet 67P. These geological features, among the ...

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...