Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

A NEWLY discovered rogue planet without a host star like the sun to orbit around has been detected dashing through space on its lonesome. These planets – also known as free-floating planets ...

A planet only about eight times the mass of Jupiter has been confirmed orbiting a Sun-like star at over 300 times farther from the star than the Earth is from our Sun. The newly confirmed planet is ...

Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers have spotted an Earth-sized planet drifting alone through the Milky Way, detected briefly by bent starlight, ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

The newly discovered TOI 451 planetary system features three planets orbiting the same sun. CREDIT Illustration courtesy of NASA/Goddard Space Flight Center A newly discovered planetary system will ...

The discovery of a planet that is far too massive for its sun is calling into question what was previously understood about the formation of planets and their solar systems. The discovery of a planet ...