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

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

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

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, ...

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 ...

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

SCIENTISTS have discovered a new super-Earth with an ‘eccentric’ orbit that swings it in-and-out of its star’s habitable zone ...

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

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

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

The great planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...