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Editors of EarthSky

A robotic dog’s mortality

When Sony stopped manufacturing replacement parts for its Aibo pet robot, owners scrambled to save the robot-dogs that had become part of their families.

Don’t miss jaw-dropping Venus/Jupiter encounter

Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.

Faces of Pluto emerge in new images

As the New Horizons spacecraft speeds closer to its July flight through the Pluto system, we're seeing an increasingly complex surface. Best views yet.

Watch start of India’s monsoon season

This year's monsoon rainfall began on June 5 in southern India. This animation, made from satellite data, shows where the precipitation fell as the season started.

Will Mars glass reveal life signs?

NASA spacecraft discovered deposits of impact glass preserved in Martian craters, possibly preserving ancient signs of life.

How much do oceans add to world’s oxygen?

Most of Earth's oxygen comes from tiny ocean plants - called phytoplankton - that live near the water's surface and drift with the currents.

Pluto’s moons tumble in chaotic dance

Instead of rotating neatly on their axes, Pluto’s small moons Nix and Hydra are in a chaotic tumble as they orbit Pluto and its large moon Charon.

Medusa Nebula foreshadows our sun’s fate

Here's the most detailed image yet of the Medusa Nebula. The image foreshadows the final fate of our sun, which will eventually become an object of this kind.

SpaceX Dragon is back on Earth

SpaceX confirmed splashdown of Dragon in Pacific Ocean at 12:42 pm ET (1642 UTC), 155 miles SW of Long Beach, California.

Why your fingertips wrinkle when wet

If you place your fingertips in water for a few minutes, they begin to look wrinked. Why?

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