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3 Cool Ways to Protect Your Eyes During the Total Solar Eclipse.

Never look directly at the sun, even during a total solar eclipse, like the one that will occur on Aug. 21. Instead, use these tips for how to safely observe the cosmic event.

- Space.com - US

In Photos: Beautiful Butterflies of the American Deserts.

By mid-February in the three great hot and dry deserts of the American West, wildflowers turn stark desert landscapes into a sea of color.

- Livescience.com - US

Planet or Dwarf Planet: All Worlds are Worth Investigating.

Pluto's status as a "dwarf planet" is once again stirring debate. This comes as some planetary scientists are trying to have Pluto reclassified as a planet – a wish that's not likely to come true.

- Space.com - US

What the Heaven's Gate Suicides Say About American Culture.

Twenty years ago, the paranoia that consumed cults like Heaven's Gate existed on the margins of American society. Such beliefs in conspiracies has moved toward the center of our culture, says one expert.

- Livescience.com - US

How Often Do Ice Ages Happen?.

The last ice age led to the rise of the woolly mammoth and the vast expansion of glaciers, but it's just one of many that has chilled Earth throughout the planet's 4.5-billion-year history.

- Livescience.com - US

Crumbling Comet? The Great Debate About Whether Rosetta Rock 67P is Breaking Apart.

It is almost six months since the Rosetta spacecraft completed its operations at comet 67P/Churyumov-Gerasimanko. The landing may have marked the end of data collection from the comet – but not the end of news about 67P.

- Space.com - US

Google under fire for ads running with offensive content.

Google makes tens of billions of dollars per year in ad sales. This week it's facing a global crisis after some of the world's biggest advertisers halted their spending after concerns that their ads are running next to offensive content, including videos promoting terror and anti-Semitism. Wired editor-at-large Jason Tanz ...

- CBS NEWS - US

Planet Again? Pluto, Most Moons Count Under Proposed Definition.

A group of planetary scientists is making the case for a new definition of a planet; this one would include Pluto and most moons. Here's why these researchers think the new definition is better.

- Space.com - US

Air Force's Mysterious X-37B Space Plane Breaks Orbital Record.

The current mission of the U.S. Air Force's robotic X-37B space plane is now the longest in the clandestine program's history.

- Space.com - US