Comet Lander Philae Phones Home

After seven months of electronic hibernation, Philae has awakened on the surface of Comet 67P/Churyumov-Gerasimenko and resumed relaying its data to Earth.

Mapping the Outer Milky Way

Stars still embedded in their natal clouds act as signposts to map the Sagittarius-Carina, Perseus, and Outer spiral arms of the Milky Way.

A Budding Nebula May Hatch a Butterfly

Super-sharp imaging confirms that the nearby red giant star L2 Puppis is forming a tiny bipolar nebula as it comes to the end of its life.

This Week’s Sky at a Glance, June 19 — 27

The pair-up of Venus and Jupiter is becoming ever more eye-catching in the west at dusk, as they near their June 30th closest approach. Saturn is the brightest point glowing in the south these evenings.

Watch Icarus Wing By Earth

It’s no myth — Icarus made a rare flyby of Earth this week

Tour June’s Sky: An Epic Planet Pairing

Watch as the two brightest planets — Venus and Jupiter — edge closer together and culminate on June 30th with a dramatically close pairing.


Best Nightscapes From Across the World


The winners of the 6th International Earth & Sky Photo Contest highlight the natural beauty of the night sky as well as its growing battle with light pollution.

It’s Always “Pluto Time” Somewhere

Sunlight on Pluto is only a thousandth as strong as it is here on Earth. With careful timing, you can experience what it’d be like to stand on Pluto at noon.

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