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Aliens

Star Trek discovery of alien life veers away from likely reality

Here, an alien crew member, Saru on Star Trek: Discovery. We often rely on science fiction to guide our expectations of alien life. We can hope lessons about accepting beings very different from yourself can be extracted by the series end. (Courtesy of CBS Studios)

Star Trek discovery of alien life veers away from likely reality

Star Trek discovery of alien life veers away from likely reality Here, an alien crew member, Saru on Star Trek: Discovery. We often rely on science fiction to guide our expectations of alien life. We can hope lessons about accepting beings very different from yourself […]

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

Worries about spreading Earth microbes shouldn’t slow search for life on Mars The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY Alberto G. Fairén, Cornell University There may be no bigger question than whether we […]

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini in front of The Lord of the Rings. NASA

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons Cassini in front of The Lord of the Rings. NASA Monica Grady, The Open University NASA’s Cassini mission has made its “death plunge” into the swirling clouds of […]

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI Courtney Ennis, La Trobe University Lakes and seas of liquid methane, rain from hydrocarbon clouds, and evidence of poisonous hydrogen cyanide in […]

When the world is not enough: how to find another planet to live on

Image credit: NASA/Ames/JPL-Caltech

When the world is not enough: how to find another planet to live on

When the world is not enough: how to find another planet to live on The star TRAPPIST with three planets. ESO/M. Kornmesser/N. Risinger (skysurvey.org) – http://www.eso.org/public/images/eso1615c/, CC BY-SA Eamonn Kerins, University of Manchester The seafaring explorers of the 16th century famously found many new homes […]

Voyager Golden Records 40 years later: Real audience was always here on Earth

By NASA/JPL Public Domain

Voyager Golden Records 40 years later: Real audience was always here on Earth

Voyager Golden Records 40 years later: Real audience was always here on Earth What message would you send to outer space? NASA/JPL-Caltech, CC BY Jason Wright, Pennsylvania State University Forty years ago, NASA launched Voyager I and II to explore the outer solar system. The […]

Robots, aliens, corporate drones – who will be the citizens of the future?

Who will inhabit our future cities? Shutterstock

Robots, aliens, corporate drones – who will be the citizens of the future?

Robots, aliens, corporate drones – who will be the citizens of the future? Shutterstock Will Slocombe, University of Liverpool In the 1940s, science fiction author Olaf Stapledon gave a talk to a school about the future. Addressing his audience as “you citizens of the future”, […]

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth

Credit: Kelvinsong

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth False colour mosaic made from infrared data collected by the Cassini spacecraft. NASA / JPL-Caltech / Space Science Institute Ravi Desai, UCL How chemical reactions on a lifeless […]

Why looking for aliens is good for society (even if there aren’t any)

Shutterstock

Why looking for aliens is good for society (even if there aren’t any)

Why looking for aliens is good for society (even if there aren’t any) Shutterstock Ian Crawford, UCL The search for life elsewhere in the universe is one of the most compelling aspects of modern science. Given its scientific importance, significant resources are devoted to this […]

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life

1700km-wide region of Mars including Olympus Mons (upper left) and several other volcanoes of Mars’s Tharsis province. Colour-coded topography. NASA/USGS/ESA/DLR/FU Berlin (G Neukum)

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life 4000 km wide view of Mars’ (colour-coded topgraphy) Coprates Chasma. NASA/USGS/ESA/DLR/FU Berlin (G Neukum), CC BY-SA David Rothery, The Open University It may seem that Mars was once a much […]