The exoplanet, known as GJ 1214 b, was detected by the Hubble Space Telescope and dubbed a "waterworld" by the science ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

orbits a star only 11% as massive as our sun, challenging previous theories on planet formation around smaller stars 'Extinct humans saw it last': Seen 160,000 years ago, Comet G3’s 2025 return ...

Treats are in store for stargazers at both ends of the short summer nights this June. Evenings belong to Saturn, a beacon in the southwest. Not sure which object is the ringed planet? Look the ...

Narrator: Further from the Sun, in the outer reaches of the solar system, we find the gas planets. Much larger than the rocky planets, these cosmic giants are accompanied by numerous moons.

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - called HD 20794 d - may house water, according to the international research ...

Evidence suggests that Planet 9 is still smaller than Neptune and orbits the sun about 20 times farther, on average, than the eighth planet. Ironically, Brown played a major role in Pluto ...

Narrator: Further from the Sun, in the outer reaches of the solar system, we find the gas planets. Much larger than the rocky planets, these cosmic giants are accompanied by numerous moons.

An exoplanet is a planet that orbits a star other than our sun. “But the planet is too close to the host star, closer than the habitable zone … even if the star is about 2,500 degrees cooler ...