Alien Life | Page 7 of 11 | Astronomy.com

How many extraterrestrial civilizations could be trying to communicate with us right now?

Alien Life, Solar System

Ancient Earth may have been a “water world” with no dry land

Alien Life, Exoplanets, Planets

New projects broaden the search for alien signals from space

The new search for alien intelligence

Alien Life, Solar System

Could alien life hitchhike to Earth on space rocks from other stars?

Astronomers look inside meteorites and find the sugars needed for life

Alien Life, Exoplanets, Planets, Solar System

Jupiter shields Europa from cosmic rays that could erase evidence of life

Alien Life, Galaxies

Which galaxies are best suited for the evolution of alien life?

Alien Life, Solar System, Stars

Shredded exomoon may explain weird behavior of Tabby’s Star

Alien Life, Human Spaceflight, Robotic Spaceflight

If we find alien life, can we avoid harming it?

Alien Life, Exoplanets, Planets

Life on alien worlds could be more diverse than on Earth

Alien Life, Exoplanets, Planets

The origin of life: Not as coincidental as once thought?