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All you need to know: June solstice 2018

Happy June solstice! Longest day for the Northern Hemisphere. Shortest day for the Southern Hemisphere. Either way … a good time to celebrate!

Lake Superior sediment-heavy after torrential rains

The downpour took place last weekend in parts of the U.S. Upper Midwest – Wisconsin, Minnesota and especially northern Michigan. Satellite images show the effects on Lake Superior, the largest of the Great Lakes of North America.

Fossils of 2 new creatures from dawn of animal life

Researchers found the 2 fossils in a South Australian fossil bed dubbed “Alice’s Restaurant Bed,” a tribute to the Arlo Guthrie song lyric “You can get anything you want at Alice’s Restaurant.”

Video: Watching solstices and equinoxes from space

See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.

Tick’s worst day ever preserved 100 million years

A bit of amber preserved a drama from 100 million years ago, an interaction between a tick and a spider.

Summer solstice at Stonehenge

Why do people gather at Stonehenge in England on the solstice? Info and photos here.

More wildlife now working the night shift

It’s getting harder for wild animals to find human-free spaces on Earth. New research suggests that human disturbance is creating a more nocturnal natural world.

3D view of Amazon rainforest canopy

A rainforest canopy can reach 15 to 20 stories high. It’s an ecosystem unto itself. Now – to study drought effects – scientists have made the 1st 3D measurements of rainforest canopies in the Brazilian Amazon.

Kilauea volcano lava river flows to sea

Kilauea volcano’s Fissure 8 has produced a large, channelized lava flow that’s acted like a river, eating through the landscape, finally producing clouds of steamy, hazardous “laze” as hot lava meets the cold ocean.

Bees understand the concept of zero

Scientists just learned that honeybees can understand the concept of zero. That puts bees in an elite club of clever animals – some birds, monkeys, humans – that can grasp the abstract notion of nothing.

Ice losses from Antarctica have tripled since 2012

Ice melting in Antarctica has raised sea levels by 7.6 mm since 1992, with almost half of this rise coming in the last five years.

Gulf of Mexico 2018 dead zone forecast

NOAA scientists project that this summer’s Gulf of Mexico hypoxic zone or ‘dead zone’ – an area of low to no oxygen that can kill marine life – will be about the size of Connecticut.

What we inherited from bug-eating mammal ancestors

If you’re an advocate for insects in human diets, go ahead. Munch on a grasshopper. The genes needed to digest bugs are still in our genome, inherited from the tiny, furry distant ancestors of all mammals, including humans.

End of the journey for iceberg B-15?

B15 was the largest iceberg ever recorded to break away from Antarctica’s Ross Ice Shelf. That was in the year 2000. Now the iceberg is nearly gone. See its remant from space, and the track of its journey.

How far away was that lightning?

When you see a flash of lightning, do you count seconds until it thunders? An atmospheric scientist comments …

Kilauea volcano still going strong

The ongoing event is now said to be one of Kilauea’s most destructive eruptions in modern times.

It’s World Oceans Day. Your favorite ocean photos, right here

Thanks for all in the EarthSky community who contributed these photos. The focus of World Oceans Day 2018 is plastic pollution.

The secrets of night-shining clouds

They’re back! People at high latitudes are seeing noctilucent or “night-shining” clouds, which always return to the skies around this time of year. Don’t miss the gorgeous photos in this post!

Explore 20 years of Earth data

From NASA, 2 decades of planetary change. See detailed views of volcanoes fuming, hurricanes flooding, dams being built, wildfires sweeping across landscapes and more.

Sharks’ 6th sense tuned to attack

In recent studies, sharks had a simple reaction to a wide range of electric fields, suggesting their system is tuned for one thing: catching prey.