The expanding universe is one of the most fascinating and far-reaching discoveries in modern science. At its core lies a ...

He once predicted that the expanding universe, “this ball of radio waves,” would end in “one stupendous broadcast,” but gave assurance that this event would not take place for perhaps 90 ...

Here’s the story we like to tell about the beginning of the universe. Space is expanding evenly everywhere, but if you rewind that expansion you find that all of space was once compacted in an ...

IN his Friday evening discourse at the Royal Institution on Jan. 22, Sir Arthur Eddington discussed the expansion of the universe. Outside our own galaxy of stars there exists a vast number of ...

The universe is constantly expanding, but how do scientists think about what it's expanding into?

The prevailing consensus in astrophysics is that the universe has spent the past 13-or-so billion years expanding outward in all directions, ever since the Big Bang.

Now, the James Webb Space Telescope has backed up what Hubble has been telling us for years: the universe is expanding faster than our best physics can explain, and nobody knows why.

As the universe expands, the light from such objects takes longer and longer to reach us, and its wavelength is stretched by the expanding spacetime through which it travels.

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and ...

SIR ARTHUR EDDINGTON'S skill as a writer is well known to-day. He makes effective use of it in this brilliant exposition of the theory of the structure of the universe from the point of view of ...