William Chan

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APOD: Mars, Antares, Moon and Saturn (2014 Oct 04)<br>Image Credit & Copyright: Tamas Ladanyi (TWAN) <br>http://apod.nasa.gov/apod/ap141004.html<p>Explanation: …

Undersea Mysteries Mapped by Satellite Gravity Sensors

Space missions reveal hidden hills and buried rifts in the ocean depths.<p>Ancient rifts hide under seafloor sediments along with thousands of uncharted underwater mountains, satellite images revealed on Thursday.<p>Most of the world's deep ocean remains poorly charted, as the fruitless search for the …

Why no eclipse every full and new moon?

In 2018, there are 13 full moons and 12 new moons, but only 5 eclipses – 2 lunar and 3 solar.<p>A lunar eclipse happens when the Earth, sun and moon …

Today in science: Launch of Sputnik

Sputnik’s unassuming beep ushered in the Space Age. Hear it here.<p><b>October 4, 1957</b>. On this date, the Soviet Union launched Sputnik I, the first …

Satellite Data Maps Sea Floor's Hidden Depths

A vibrant map of never-before-seen terrain<p>While many detailed maps exist of Earth’s continents, what lies beneath our planet’s waters has remained somewhat of a mystery. So far, only 10 percent of the seafloor has been mapped at high resolution, leaving researchers pretty eager to know what’s going …

UC San Diego

It's Thanks to Evolution That No Two Faces Are Alike, Study Finds

Humans' stunning diversity of facial features evolved to make recognition easier, a study says.<p>From bug eyes to aquiline noses, square jaws to chin dimples, no two faces are alike. That diversity may have evolved to make it easier to recognize other people, researchers reported on Tuesday.<p>The shape …

Evidence Found Of A Particle That Is Its Own Antiparticle

In the future, the exotic particle could go into quantum computers.<p>There's a particle that physicists theorize exists that acts simultaneously as both matter and antimatter. Whoa! The particle is called the Majorana fermion, and a team of physicists is announcing today that it's seen some evidence …

Physics

Violence of volcanoes is helping scientists monitor Earth’s sensitive side

Tiny changes in the planet’s rotation, climate change and ice melt could all be contributing factors to surges of volcanic activity<p>The Earth seems to have been smoking a lot recently. Volcanoes are erupting in Iceland, Hawaii, Indonesia, Ecuador and Mexico, as well as the recent eruption of Japan’s …