Alien Life | Page 2 of 11 | Astronomy.com

An artist's conception of the young Earth being bombarded by asteroids. Scientists think these impacts could have delivered significant amounts of organic matter and water to Earth. Credit: NASA.

Alien Life, Science, Solar System

Evidence grows that meteorites, comets could have brought essentials of life to early Earth

Lecture: Can we recognize intelligent life in the universe?

Exoplanets, Science

Which exoplanets could host life?

Artist concept of Cassini crashing into Saturn

Alien Life, Solar System

Why was Cassini crashed into Saturn to prevent contamination if Huygens intentionally landed on Titan?

Viking 1 images sunset on Mars

Alien Life, Solar System

The great martian debate: Did we find life on Mars?

Alien Life, Exoplanets

What would signal life on another planet?

Alien Life, Science, Solar System

Are these seafloor particles the first ever from interstellar space?

star-forming region S106

Alien Life, Cosmology

Is our universe tuned for life?

JWST images of the Orion Bar

JWST spots a molecule vital to life in nearby protoplanetary disk

Venus

Alien Life, Science, Solar System

Building blocks of life could survive in Venus’ hostile atmosphere

Here’s how astronomers are looking for life beyond Earth

A new place to look for alien life: The photosynthetic habitable zone