The Solar System is a vast and mysterious realm, filled with planets, moons, asteroids, and icy bodies waiting to be ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

Scientists peering at a “warm Neptune” roughly 430 light-years away have discovered far less water in the gassy planet’s atmosphere than they expected — which puts it at odds with the ice ...

NASA has uncovered a new ‘Super Earth’ planet just 154-lightyears away that has been flashing a mysterious signal. The planet ...

Eureka! Astronomers say they’ve discovered clear skies and water vapor on a Neptune-sized exoplanet named HAT-P-11b -- which, at roughly four times the Earth’s radius, is the smallest planet ...

The star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b, is depicted in this illustration released by ...

Saturn will rise above the eastern horizon beneath the stars of the constellation Pisces shortly before midnight for viewers ...

The solar system's outermost planet, Neptune, reaches opposition today — here's how you can catch a glimpse of the distant gas giant. Planet Neptune reached opposition today (Sept. 14) at about ...

Neptune is blue. Uranus is hazy and ... The cold, gassy planets feature atmospheres made up of hydrogen, helium and methane. Methane ice condenses in the planets' middle layers to create methane snow.

Planet Neptune will go into reverse as it moves in the sky on Tuesday . ... Look to the southeastern sky between about 2 and 4 a.m. local time to catch a glimpse of the gas giant.

Neptune and neighboring Uranus are classified as ice giants, as opposed to the gas giants Jupiter and Saturn. Neptune, which like those other planets lacks a solid surface, possesses an extremely ...

You don’t really hear about Neptune, do you? Not as often as the other planets, certainly. Space robots regularly provide snapshots of the surface of Mars and the clouds of Jupiter. Mercury is a ...