Remains of an extinct world of organisms discovered Physorg

NASA is listening for any peep from Voyager 2 after losing contact with the spacecraft billions of miles away.

What were the first life forms like? In a new perspective article, scientists describe a strategy for answering this question by studying the earliest evolution of electron transport chains, a…

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number of other tiny dots,…