If the universe is 13.8 billion years old, why is the observable universe 46 billion light-years across? This video explains ...

Why a new space telescope? The James Webb Space Telescope will be 100 times more powerful than its predecessor, Hubble, and will be capable of capturing extremely faint infrared light from the very ...

The observable universe is 93 billion light-years wide — but what’s beyond it? Astronomers have found strange patterns in the ...

Death comes for us all, even on the cosmological scale. Our universe started off with a bang, and a rather large one at that, but how it will end remains a mystery. Will entropic effects cause it to ...

Sara Webb does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

NEW YORK--If you want to see what outer space looks like, there may be no better way to do so than to have Carter Emmart take you on a ride there. As part of my Road Trip 2010 project, I got a chance ...

Prologue: Cosmology's extraordinary new frontiers -- How far out can we see? : voyage to the edge of the known universe -- How was the universe born? : reavealing the dawn of time -- How far away will ...

The announcement said that Astronomer Maarten Schmidt of Caltech had discovered a quasar (quasi-stellar radio source) racing away from earth at 80% of the speed of light. That brief observation last ...

I think that [one second] is the most interesting question. But if we were certain about the answer as to what happened in that first second, it would be much less interesting, because we'd really ...

NASA is preparing to launch the most powerful space telescope ever. What will it see? Here's everything you need to know: The James Webb Space Telescope will be 100 times more powerful than its ...