Space is full of weird but wonderful things, from unusual rocks on Mars that don’t actually belong there to hidden structures and harrowing warnings that the moon is shrinking. But now, attention has ...

Blue Planet: Earth is known as the Blue Planet because of its bright blue appearance when viewed from space. This colour comes from the huge amount of water that covers around 71% of its surface in ...

Call it the deep blue dot. For the first time, scientists have seen the visible color of a distant alien world. The exoplanet — called HD 189733b — is 63 light-years from Earth and a "deep cobalt blue ...

The outermost ring of the planet Uranus turns out to have a bright blue color, according to a report in the April 7 issue of the journal Science. That makes it only the second blue ring to be found in ...

Young Earth was a blue planet covered in oceans, much like today. But the atmosphere was a lethal cocktail of gases, with no ...