If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

The crew of an alien spacecraft entering the Solar System, maybe looking for planets bearing alien life, would be struck by ...

On a planet known as K2-18b, that orbits a star about 120 light years away from Earth, astronomers have found evidence of dimethyl sulfide, a compound made of sulfur, carbon and hydrogen that is ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

Astronomers find possible signs of alien life on massive, distance planet K2-18b. The exoplanet K2-18b is 8 times bigger than planet Earth ... took another look at the Webb telescope data used ...

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

which has shaped life on this planet. It is not the only thing that Theia has left us with. Another gift apart from the Moon is the seasons. Those are created by Earth’s tilt, currently 23.4 ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on ... "There's never been another event as big as that anywhere ...