Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

Dr Andrew Gallimore, who has a PhD was in biological chemistry, said he encountered these beings firsthand after being ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...