Lacki suggests detecting the combined glow of the emissions of several civilizations. It’s an approach that comes with its ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

A Rutgers-led team of scientists has uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe.

Explore the vast and mesmerizing beauty of the deep universe with our latest video, "Deep Universe: Relaxing Video from Outer Galaxies." Journey through the outer galaxies, where vibrant nebulae and ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...