S Koontz

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Death Valley Flooding Provides Yet Another Alarming El Niño Preview

A 1,000-year flood that rearranged boulders and buckled roads in Death Valley is the latest chilling window into how poorly prepared California is …

A Thousand Years Ago, the Sun Erupted. If That Happened Now, We’d Be in Big Trouble.

In the years 774 and 993, the Earth was attacked from space.<p>Not by aliens, but by a natural event—and it was very, very powerful.<p>Phil Plait writes</b> …

Particles

New NASA Video Shows The Sun In Stunning Ultra-High Definition

Footage shows "the nuclear fire of our life-giving star in intimate detail."<p>Here's a chance to see the sun without damaging your eyes.<p>NASA has released a 30-minute, ultra-high definition 4K video of the sun called "Thermonuclear Art." The footage, which was taken by the Solar Dynamics Observatory …

Space Travel

11 Stunning Arizona Hiking Spots You Need To See To Believe - Page 2 of 3

8. Fossil Springs Trail, Coconino National Forest<p><i>Photo credits: Kevin Muncie / Flickr</i><p>We would consider this hike moderately difficult. This trail is …

Hiking

12 American National Parks You Need To Add To Your Bucket List

Explore The Subway Top-Down | Photo: Chris Burkard<p>American writer, historian, and environmentalist, Wallace Stegner, once said that the National Parks are "the best idea we ever had". We couldn't agree more. The only problem - and it's definitely a good problem - is there are so many parks and so …

National Parks

Photos Show 1,000-Year Flood Striking Death Valley

In October, a system of storms caused what the U.S. Geological Survey dubbed a "1,000-year flood event" in Death Valley National Park, California. "Flash floods from the storm destroyed roads and utilities, and damaged several historical structures."<p>Today the USGS posted dramatic new satellite …

Peaceloving aliens stopped nuclear war on earth, says retired astronaut

Edgar Mitchell was the sixth man to walk on the moon and long claimed to have evidence of extra terrestrial visitors<p>Aliens flew to earth on peace missions to prevent nuclear war between America and the Soviet Union at the start of the Cold War, according to a former Nasa astronaut.<p>Dr Edgar Mitchell …