Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the United States opened in Chicago in 1930, while the first one in Asia opened in ...

(NEXSTAR) — Within the several hundreds of pages of the megabill the House is expected to pass on Thursday are a $6,000 tax ...

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

And with that beginning came an ancient, renewed question: if there was a starting point, who or what started it?This ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

A hundred years ago, astronomer Edwin Hubble revealed a universe of galaxies that existed beyond ours. His influence in astronomy continues to this day.

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

In what already has been a stellar career, University of Delaware physicist William H. Matthaeus has been elected to membership in the National Academy of Sciences, one of the most prestigious honors ...

But after work led by Edwin Hubble proved the universe was expanding, Einstein abandoned his fudge factor (even calling it his “greatest blunder”).