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

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

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.

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general relativity. One explains the tiny world of particles; the other describes ...

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

Astronomers studied 10,000 stars in Hubble pictures to make this composite image and to learn about the evolution of the Milky Way galaxy. Light from our own galaxy is the most recently produced ...

NASA celebrates Edwin Hubble's discovery of a new universe For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the Andromeda galaxy.

The Bullseye galaxy has nine rings, more than any other known galaxy. These rings formed from a collision with a smaller galaxy. The collision created new stars, visible as blue and red rings. The ...

Each Roman image will be 200 times larger than infrared snapshots from NASA's Hubble Space Telescope, and its upcoming "wealth" of lenses will vastly outpace the hundreds studied by Hubble to date.