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Editors of EarthSky

The Great Pacific Garbage Patch explained

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?

Video: Colliding atmospheres of Mars and Comet Siding Spring

Martian auroras? Maybe a meteor shower? What Mars satellites might see when Comet Siding Spring sweeps super close to Mars this October.

Perseid meteors versus the supermoon

Which is brighter - Perseid fireballs or a supermoon? You'll find out as the year's biggest, brightest full moon arrives as Perseid meteor shower starts to peak.

Two views from space: California reservoirs drying up

Look at the difference in these two reservoirs north of Fresno, California, in contrasting satellite images from 2011 and 2014.

Scientist warns of inevitable solar super-storm propelled towards Earth

Such a storm would wreak havoc with our communication systems and power supplies, and scientists say we're overdue.

Asteroid impacts may have buried Earth’s earliest rocks

More than 4 billion years ago, giant asteroid impacts melted, mixed and buried the surface of Earth

More heat waves and cold snaps ahead

Climate extremes are here to stay, say researchers.

Spacecraft surfs in and out of Venus atmosphere

ESA's Venus Express spacecraft spent a month surfing in and out of the atmosphere of Venus, coming so close that atmospheric drag caused the craft to slow down.

Milky Way is about half as massive as Andromeda galaxy, say astronomers

Dark matter makes up 90% of the matter in both systems, the study finds.

Lifeform of the week: Hairy pink squat lobster

It's always a good hair day for a hairy pink squat lobster (Lauriea siagiani). These little guys live on sponges in the western Indo-Pacific.