Reporter's notebook: House exodus threatens Johnson's grip on power as over 40 members head for exit Mark Kelly says this ...

Thinking about the edge of the universe is one of those ideas that fascinates pretty much everyone. We can map […] ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

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 ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...