Rarest Stars in the Universe: Stars come in many forms, but some types are so rare that only a handful exist in our galaxy. For example, O-type stars account for just 0.00003% of the stars near the ...

The first type of molecule that ever formed in the universe has been detected in space for the first time, after decades of searching. Scientists discovered its signature in our own galaxy using the ...

There is no such thing as a free lunch, some say, but they would be wrong. In fact, the entirety of the universe defies them. According to Stanford physics Professor Andrei Linde, one of the ...