The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

It's remarkably similar to Earth.

NASA announced a new milestone in its search of the stars. It has now found more than 5,000 exoplanets -- those outside of our solar system. “It’s not just a number,” Jessie Christiansen, a researcher ...

This new potentially habitable planet is about 146 light-years away and has some conditions similar to that of Mars. The team of researchers and scientists, from Australia, UK, US and Denmark ...

Astronomers on Mauna Kea found the first space object on which NASA’s Roman Space Telescope can test its imaging technology. The Hawaiian Council will be on Kauai Monday to continue its statewide ...

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...