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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 explores our corner of the block -- just a fraction of the galaxy. Some stars are better candidates for intelligent alien life, and it may not be anything like we imagine.
It’s happened before: why we need to plan for the next doomsday event that could wipe out much of life on Earth. Shutterstock/solarseven

How to backup life on Earth ahead of any doomsday event

NASA says there are ten "potentially hazardous" asteroids close to Earth. Good reason to make sure we have a backup plan should any catastrophic event wipe of much of life on Earth.
How many species of frog are in the picture? Genetics often says ‘more than we thought’. Michael Lee (Flinders University & South Australian Museum)

The Earth’s biodiversity could be much greater than we thought

The Earth is full of many varied species from the largest mammals to the tiniest organisms. But we now think there could be ten times more species than was originally thought.
On the hunt for other cultures. Shutterstock/Gorosi

What does an anthropologist actually do?

Ask any anthropologist what they do and they will find it hard to give you a direct answer. But it ultimately comes down to studying people and their culture.
If you’re looking for life, you’d do well to look for some moons. Maxwell Hamilton

Eying exomoons in the search for E.T.

As the list of known planets beyond our solar system grows, the search for their moons is intensifying. One reason: they might hold the key to finding life elsewhere in the universe.

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