Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, ...

WASHINGTON (Reuters) - They are the most common type of planet observed in our Milky Way galaxy - two to three times the diameter of Earth but smaller than Neptune, and orbiting closer to their stars ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

(CNN) — Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be transitioning into another type of world. The exoplanet, named TIC ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way ...

A study led by researchers from the European Space Agency has discovered a six-planet solar system about 100 light-years away from Earth. These planets, they say, have a "rhythmic beat" as the planets ...

Why do all planets in our solar system orbit the Sun the same way? This documentary unravels the cosmic forces, from the solar system’s violent birth to the hidden laws of physics, that keep the ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely visible in the sky.