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Watch SpaceX Dragon depart from ISS May 2

A SpaceX Dragon cargo spacecraft is set to depart the International Space Station (ISS) on Wednesday, May 2. NASA TV will provide live coverage of Dragon’s departure starting at 10 a.m. EDT (14:00 UTC).

How Pluto got its name

Eleven-year-old Venetia Burney suggested Pluto, a classical mythological god of the underworld. The name also honored Percival Lowell, whose early efforts led to Pluto’s discovery.

New Shepard has successful 8th test flight

Blue Origin’s suborbital rocket New Shepard made its 8th test flight on April 29, going up from the company’s launch site in West Texas. Watch mission highlights here.

See it! This week’s moon and Jupiter

The moon swept past the very bright planet Jupiter this week. Gorgeous photos from the EarthSky community, here. Thanks to all who submitted!

Cool video! When humans stalked a giant sloth

Fossil footprints track a prehistoric hunt.

Take a virtual tour of 6 exoplanets

The virtual exoplanet tour has a cool 360-degree visual display. Since launching in late 2017, it’s had over a million YouTube views. Check it out here.

Record microplastic found in Arctic sea ice

New research shows that even the Arctic Ocean isn’t immune to an influx of plastic.

I run ‘facial recognition’ on buildings

An art historian describes how he and his team use an analysis technique similar to facial recognition, to unlock architectural secrets.

How TESS will hunt for alien worlds

Launched last week, TESS will scan 200,000 close and bright stars, seeking new planets and possibly livable worlds. Here’s a roundtable discussion with 2 scientists on the TESS mission.

Why observe Earth Day on April 22?

April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus of Earth Day 2018 is plastic pollution.