Somehow, we all know how a warp drive works. You're in your spaceship and you need to get to another star. So you press a ...

while others are moving slightly away. The galaxies moving toward us will have a slight bias toward the blue end of the electromagnetic spectrum, while galaxies moving away from us will be ...

For an astronomical object (e.g. a star or a galaxy) at a known distance from the Earth, the Hubble constant can be used to predict how fast it should be moving away from us. However, the true value ...

Could that tell us what the universe was like just after the Big Bang? By observing how galaxies are moving away from us, we might be able to work out where they came from. Could that tell us that ...

But if galaxies are moving farther apart ... Photons from a source moving away from us appear to change on their way here.

NASA’s James Webb Space Telescope is helping refine distance measurements to nearby galaxies, while future missions like Euclid and the Roman Space Telescope will explore large-scale cosmic ...

And it is powerful — it is pushing all the stars and galaxies away from each other at an ever ... Carefully tracking how galaxies move helps scientists learn about the forces that are moving ...

These first stars and the galaxies they formed were very different ... the faster it is moving away from us, and the quicker this motion, the redder its light becomes. Light takes time to travel ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...

If you imagined the galaxies rushing away from us as a movie, just run the movie ... which states that everything is moving towards greater and greater disorder. Others took notice and named ...

Figure caption, Lower diagram shows spectrum of light redshifted from a distant galaxy moving away from the Earth The upper diagram shows the absorption spectrum from a stationary galaxy with one ...