After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...

There are trillions of charged particles—protons and electrons, the basic building blocks of matter—whizzing around above ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...

Their research reveals which Earthly 'technosignatures' would be easiest to detect from a planet across the galaxy.

What can Earth’s technosignatures—the potential signs of intelligence beyond Earth—teach us about finding technosignatures ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

The probability of humanity being the sole technological civilization in the observable universe is considered to be less ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ingredients were mingling with water almost immediately.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

Exoplanets have captured the imagination of public and scientists alike and, as the search continues for more, researchers ...