The answer to whether tiny bacterial life-forms really do exist in the clouds of Venus could be revealed once and for all by a UK-backed mission.

Imagine waking up one morning to find that Earth’s atmosphere has vanished—gone, as if erased by an invisible hand. Suddenly, ...

"Ice in the rest of the universe has long been considered a snapshot of liquid water – that is, a disordered arrangement fixed in place. Our findings show this is not entirely true." ...

Dark clouds gather over Australia’s red earth riches For more than 60 years, the Pilbara’s rich iron ore deposits have propelled the Australian economy. But could this be the beginning of the end?

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...