Dark matter is invisible. It's all around us. And we have no idea what it is. The universe is so much bigger than what people can see. Visible matter — which makes up the things you can see like the ...

The Big Bang: The moment when the universe — everything in existence — began. ... Right? Turns out, it's not quite that simple. Today, when scientists talk about the Big Bang, they mean a period of ...

From the blistering Sahara Desert to freezing Antarctica, extreme temperatures are not foreign to the 8.7 million species that inhabit Earth. However, Earth’s temperatures mostly fluctuate within a ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

Ever since Oxford philosopher Nick Bostrom proposed his simulation argument in 2001, the nerdiverse has attempted to assess the possibility that reality is not really real, that what we experience as ...

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Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem.

In a scenario straight out of “The Twilight Zone,” a group of NASA scientists working on an experiment in Antarctica have detected evidence of a parallel universe — where the rules of physics are the ...

Many astronomers have wondered where the center of the universe is. If the Big Bang created the entire observable universe, then it stands to reason that the event had a point of origin. As it turns ...