The Explorer

By Leland Melvin | S.T.E.A.M: Combine Science, Technology, Engineering, the Arts and Math to inspire creative solutions.

Deep Space Radiation Caused Heart Problems For Apollo Astronauts

The Apollo astronauts — the first men to land on the moon — took a giant leap for mankind. But the deep space radiation that dosed the men who left the Earth's orbit may have damaged their hearts, according to a new study published Thursday in the journal Science.<p>The number of deaths due to heart …

Moon Missions

#katherinejohnson inspires me and so many people to work hard, embrace all, and be an inquisitive life long learner. Thanks my friend and I'm so glad you finally received your @NASA Johnson Space Flight Awareness Silver Snoopy Award for exceptional service in calculating the trajectories and orbits of America's pioneering space-flights. Can't wait to see @tarajiphenson play you in @hiddenfiguresmovie with @pharrell scoring the adaptation from the book "Hidden Figures" by @margotshetterly. So proud of you all. 🙏🏾🚀❤️

So long as man is faithful to himself, everything is in his favor, government, society, the very sun, moon, stars. ~ Henry David Thoreau

NASA Concerned That Juno Spacecraft Might Crash Into Europa

"We could possibly contaminate an entire alien ecosystem," says NASA lead program scientist.<p>Now that the Juno spacecraft is in orbit around Jupiter, NASA’s science team will spend a few months performing final tests before beginning its unprecedented close-up investigation of the biggest planet in …

NASA

@icon.mann

No Place for Hate

Big props on the great light John @bikes.unlimited for a night ride. 🚴🏾🚀🇺🇸

Great tee @bbcicecream Can't wait to get mine🚀

Stunning #steAm liftoff.🚀

29 Must-See Photos of National Parks Around the World

Much like if you were actually there in person, you can spend days wandering around these awe-inspiring, nature-laden photos taken in these national …

National Parks

The Art of Recognizing Good Ideas

And why managers are so bad at it<p>There are two basic modes of judgment: criticism and praise. The former consists of identifying a subject’s flaws; the latter of noting its merits.<p>In most settings, criticism tends to dominate. For any idea or book or movie or what have you, the question that people …

Aesthetics

World going to hell? Here are the Solar System’s five most livable places

This artist’s impression shows how Mars may have looked about four billion years ago, when it would have been more conducive to life. (credit: ESO)In …

Science

How Juno Will Survive Its Death-Defying Mission to Jupiter

A spacecraft's journey to one of the most treacherous places in the solar system.​<p>To the naked eye, Jupiter is a placid beacon, the brightest thing in the sky besides Venus and the moon. Seen through a telescope, it's a brightly banded world surrounded by a coterie of moons, some of which have …

Astronomy

The Geek Behind Google's Map Quest

Ed Parsons helps shape how Google sees the world—literally.<p>Ed Parsons, Google's geographer-in-chief, is leaning over an 18th century woodcut map from the <i>Chonhado</i>, the Korean atlas of the world. Here, on thin parchment, the earth is a wobbly blue watercolor dot centered around the sacred Mount Meru, …

Google Maps

Pluto's moon Charon has a grander canyon than the Grand Canyon

There is no river rafting down Charon's Argo Chasma, but scientists are fascinated by the sheer scale of the Pluto moon's massive canyon.<p>The Grand …

Solar System

🖖🏾

Earth, Mars, and the Sun Are Aligning This Weekend to Put On a Beautiful Show

And the moon even has a trick up its sleeve, too.<p>If you're lucky enough to live in a place with a clear sky this weekend, grab your binoculars, because there's going to be a lot to watch this weekend.<p>The Associated Press reports that on Sunday morning, Earth, Mars, and the Sun will be perfectly …

Mars

Daily Edition Top 10 (Week of May 2, 2016)

The impact of this week’s vote in Indiana was far reaching. Donald Trump became the presumptive Republican presidential nominee and Ted Cruz and John Kasich withdrew from the race. While Trump’s ascendance and the reaction to it dominated the news throughout the week, other major events took place …

Mars and Earth are getting closer (for now)

<b>(CNN) —</b> We haven't seen Mars like this in more than a decade.<p>The red planet will soon be closer to Earth that it has been in 11 years: On May 30, Mars will be about 46.8 million miles (75.3 million kilometers) from Earth. Yes, that's still a long way off, but sometimes Mars is 249 million miles …

Solar System

EVERYBODY DIES, BUT NOT EVERYBODY LIVES

SpaceX Undercuts ULA to Win Rocket Launch Contract With U.S. Air Force

The Air Force had relied solely on United Launch Alliance to launch satellites for the past decade.<p>The U.S. Air Force will save 40% by buying a GPS satellite launch from Elon Musk’s SpaceX compared with what United Launch Alliance has been charging, the head of the Space and Missile Systems Center …

SpaceX

Why Does Gravity Move At The Speed Of Light?

, Contributor<p>If you looked out at the Sun across the 93 million miles of space that separate our world from our nearest star, the light you’re seeing isn’t from the Sun as it is right now, but rather as it was some 8 minutes and 20 seconds ago. This is because as fast as light is — moving at the …

Astronomy

Hamilton tribute to Prince 4/21/16

March was Earth's 11th-straight warmest month on record

<i>UPDATE: April 15, 2016 3:45 p.m. ET</i><p>NASA's March temperature data was released Friday, showing that it was the planet's second-most unusually mild month on record, only somewhat cooler than February 2016.<p>The NASA data shows the monthly global average temperature was 1.28 degrees Celsius, or 2.3 …

Earth

Meet The 'Rocket Girls,' The Women Who Charted The Course To Space

In the 1940s, an elite team of mathematicians and scientists started working on a project that would carry the U.S. into space, then on to the moon and Mars. They would eventually become NASA's Jet Propulsion Laboratory (or JPL), but here's what made them so unusual: Many of the people who charted …

NASA

Doctors Explain How Hiking Actually Changes Our Brains

While it may seem obvious that a good hike through a forest or up a mountain can cleanse your mind, body, and soul, science is now discovering that …

Psychology

What Do Star Trails Look Like From The ISS?

, Contributor<p>To photograph star trails from Earth, simply point your camera and let the Earth rotate, leaving the shutter open.<p>But our 24 hour period is nothing compared to the ISS astronauts, who circle the entire Earth every 90 minutes at some 17,000 mph (27,000 kph).<p>In February of 2010, the …

NASA

The 100 best nonfiction books: No 10 – The Selfish Gene by Richard Dawkins

What is man, and what are we for? Remarkably, it was not until Charles Darwin published <i>On the Origin of Species</i> in 1859 that anyone, in our history, had thought methodically to address the reason for our existence. Darwin’s answer to this simple question was to show that every earthly species – …

Evolutionary biology

Great Big Story