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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.

A housing complex in Thailand with air conditioners. Image via Chaiwat Subprasom/Reuters

Air conditioning’s big global impact

Higher global temperatures combined with higher global incomes mean more air conditioners. But what do more air conditioners mean?

MIT researchers found that neutrinos changed between several distinct “flavors” as they traveled at close to the speed of light from a facility near Chicago to a detector in Minnesota, 456 miles (735 km) away. Image via Christine Daniloff/ MIT/ Phys.org

Shifting identities for traveling neutrinos

MIT researchers show that neutrinos can change between several distinct “flavors” while traveling from a facility near Chicago to a detector in Minnesota.

Fluorescent image of the coral Pocillopora damicornis. The field of view is approximately 4.1 x 3.4 mm.  Imag via Andrew D. Mullen/UCSD

New microscopic view of ocean floor life

Underwater microscope provides new views of ocean-floor sea creatures in their natural setting.