Earth, HD 20794 d, orbiting a nearby sun-like star, offering a promising lead in the search for life beyond our planet.

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

There's a new race in space, but it's not where you might think. It's happening close to home – in the nearest bit of space, ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Our solar system’s planets are set to align in a seven-strong planetary parade this week that will be visible in the UK night ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

Witness a rare celestial spectacle as seven planets align in the night sky for one night in late February, offering a ...

Astronomers have discovered a large Earth-like planet orbiting a distant star that could be home to alien life. The exoplanet ...

A planet that may support alien life has been discovered less than 20 light-years away from Earth - and it's believed to ...

First discovered in 2009, GJ 1214 b is described by the JWST team as being “sub-Neptune-sized” - smaller than the outermost ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...