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Top 10 things about brown recluse spiders

It’s their active season. Here are 10 things to know about these venomous spiders that like to live where we do.

Video: Watching solstices and equinoxes from space

See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.

Does the North Star ever move?

It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole every day.

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.

What exactly is twilight?

Sure, twilight is that magical time of day that lies between daylight and darkness. Astronomers, the experts on nighttime, recognize 3 twilights.

Moon near Crown of Scorpion on June 7

The moon on June 7, 2017 is near the upper part of the constellation Scorpius, aka the Scorpion’s Crown. Bright red Antares and golden Saturn are also nearby.

How hard did it rain on Mars?

In a new study, geologists show there was rainfall on Mars in the past – and that it was heavy enough to carve out many of the features we see today on the planet’s surface.

Saturn’s moon may have tipped over

Scientists used Cassini spacecraft images to show that Saturn’s moon Enceladus may have tipped away from its original spin axis by 55 degrees – more than halfway toward rolling completely onto its side.

Astro festivals, star parties, workshops

Summer fun! Find a 2017 star party near you.

Born in June? Here’s your birthstone

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