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The feeling isn’t mutual. Image via caruba/Flickr

Lifeform of the week: Rats

The secret life of urban rats.

he HI-SEAS mission gives people a chance to practise on Earth what life would be like on Mars. A crew member here from the 2015 mission.  Image via Flickr/University of Hawaii/HI-SEAS

After a year on (simulated) Mars

A week ago, a test crew emerged after living for a year in Mars-like conditions inside a solar-powered dome on the slopes of Hawaii’s Mauna Loa volcano.

Image via NOAA.

Have we been wrong about life’s origin?

For 90 years, science’s favorite explanation for the origin of life has been the “primordial soup”. But recent research adds weight to an alternative idea.

Image via GreatAmericanEclipse.com

Best places to watch 2017 eclipse

Where’s the best place to see the August 21, 2017 eclipse? Here are 10 great viewing spots to gaze upon nature’s grandest spectacle, weather permitting.

An artist's re-creation of the first human migration to North America. Image via DEA Picture Library / Deagostini / Getty Images

How did humans first reach America?

A new study suggests that the first people to reach America travelled via the Pacific coast rather than through a corridor between two giant ice sheets.

Polar bear in Svalbard, Norway. Image via Arturo de Frias Marques

Polar bears’ biggest threat is ice loss

Hunting used to be the biggest threat to polar bear survival. Not anymore.

Image via Sarah2 / shutterstock / theconversation

Parakeet takeover ahead?

“Parakeets are Britain’s fastest growing bird population and are on a trajectory to global domination.”

Geminid meteor in 2012 by Henry Shaw.

Learn to shoot photos of meteors

Want to try to capture a meteor on film? The first step is planning. The next step is to gather your equipment. Then on to the capture process itself.

how-a-conjunction-happens-Tom-Wildoner-cp

What is a conjunction?

People get excited about conjunctions in astronomy, and they are often beautiful. EarthSky community member Tom Wildoner provides an illustration.

Artist's concept of Emirates Mars Mission

Emirates Mars Mission to launch in 2020

The Emirates Mars Mission – which carries the name Hope – will become the first-ever mission to the Red Planet by any Arab country.