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World Oceans Day 2017

“Our oceans, our future” is the theme for World Oceans Day 2017.

Going to the beach? Watch this video

Rip currents – sometimes called by the misnomer rip tide – flow outward from beaches, sometimes faster than humans can swim. Here’s what to do if you get caught in one.

Cool preview of Pluto craft’s next target

On June 3, July 10 and July 17, astronomers will be watching as tiny MU69 in the outer solar system – the New Horizons spacecraft’s next target – occults or blocks the light from 3 different stars.

Your immune system in space

New video from NASA about studies looking at the effects of space travel on the human body’s immune system.

Born in June? Here’s your birthstone

Happy birthday June babies! Your month has 3 birthstones – pearl, moonstone, and Alexandrite.

How do hurricanes get their names?

The Atlantic hurricane season starts June 1 and ends November 30. Here are the hurricane names for the 2017 season.

Top 5 questions about tornadoes

More tornadoes occur in the U.S. than any other country, mainly in the Great Plains, Midwest and southern states. Two meteorology professors answer questions.

Biblical signs in the sky?

Will the sky on September 23, 2017 mirror “signs” from the Book of Revelation in the Bible? An astronomer responds.

Full-sphere, 360-degree ISS transit

Super cool, interactive image of a transit across the sky of the International Space Station, via Project Nightflight of Austria.

Two big asteroids to pass safely

Radar astronomers are peering toward asteroid 2017 CS, closest on May 29. Another asteroid – 418094 (2007 WV4) – will be closest June 1. Charts here for Saturday night, for 8-inch or larger ‘scopes!