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Alien Life

The search for evidence of life beyond Earth has fascinated scientists and science fiction writers alike for centuries.

Alien Life, Science

Why do astronomers look for signs of life on other planets based on what life is like on Earth?

This artist’s concept shows what exoplanet K2-18b could look like based on science data. Credit: NASA, CSA, ESA, J. Olmsted (STScI), Science: N. Madhusudhan (Cambridge University).
Alien Life, Exoplanets

Possible hints of life found on exoplanet K2-18b – how excited should we be?

Alien Life

What happens if we detect alien life?

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

Scientists could one day find traces of life on Enceladus, an ocean-covered moon orbiting Saturn. Credit: NASA/JPL-Caltech, CC BY-SA
Alien Life, Robotic Spaceflight, Space Exploration

The search is on for extraterrestrial life on worlds like Enceladus

Europa was captured by JunoCam, during the mission's close flyby on Sept. 29, 2022. The circular dark feature at the lower right is Callanish Crater.
Alien Life, Science, Solar System

Circular patterns on Europa suggest how deep a lively ocean may be

Alien Life, Solar System

Scientists discover an ancient volcano near the martian equator 

Alien Life

The rumblings that led to the ‘alien spheres’ probably came from a truck

Alien Life, Solar System

NASA’s Juno spacecraft probes Europa’s oxygen levels 

An illustration of the dwarf planets Makemake and Eris.
Alien Life, Science, Solar System

Distant worlds Eris and Makemake unveil surprisingly active natures to the world’s largest space telescope

A telescope scans the sky in search of signals sent from advanced alien civilizations in this artist's concept. Credit: paulista/Shutterstock.
Alien Life, Science

Are we visible to alien astronomers? This study makes the case

Enceladus, in a mosaic taken by the Cassini spacecraft. Credit: NASA/JPL/Space Science Institute
Alien Life, Science

New clues emerge toward possible life on Enceladus

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