andrew tibbetts

29 Flips | 4 Magazines | 1 Like | 3 Following | @andrewtibbetts | Keep up with andrew tibbetts on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “andrew tibbetts”

Ceres Animation Showcases Bright Spots

The mysterious bright spots on the dwarf planet Ceres are better resolved in a new sequence of images taken by NASA's Dawn spacecraft on May 3 and 4, …

Astronomy

Researchers Think There's A Warm Ocean On Enceladus

Saturn's moon Enceladus is a mystery. From Earth it looks tiny and cold, and yet it's not a dead hunk of rock. Passing spacecraft see trenches and ridges, similar to Earth's, and in 2005 NASA's Cassini mission spotted ice geysers streaming from its south pole.<p>"The moon is actually alive in a …

Have Astronomers Finally Found Dark Matter?

It’s been a mystery for 80 years—but gamma rays from a dwarf galaxy could finally tell scientists what dark matter is really made of.<p>It’s too early to say for certain, but astronomers may have picked up a new clue to the nature of dark matter—invisible cosmic stuff with at least five times the mass …

Dark Matter

NASA Can Make 3 More Nuclear Batteries, And That's It

Plutonium-238 is still in really short supply<p>Few materials in the universe are in as short supply as plutonium-238--the hot, radioactive material NASA uses to power its pluckiest spacecraft. It's estimated only 77 pounds (35 kilograms) of the stuff remains available to NASA, yet only 37 pounds (17 …

Small, Shrinking Mercury Is a Planetary Space Oddity

Mercury is more than just a dead, roasted chunk of rock. In fact, the solar system’s smallest planet is proving to be surprisingly lively. Well, not in the sense that anything actually lives there, though scientists don’t discount the possibility that some of Mercury’s nooks and crannies could help …

Every Star Could Have at Least One Planet That Could Support Liquid Water

By considering how many exoplanets we know about and inferring the existence of others, scientists predict that the galaxy could be swimming in habitable planets<p>Astronomers worldwide agree: there's a heck of a lot of planets out there. Thanks to tools like the Kepler Space Telescope, scientists …

Photos: Astronomers Find Hundreds of Baby Galaxy Clusters

The universe is filled with galaxies that clump together like cosmic metropolises in the vast emptiness of space. Now astronomers have taken a bunch …

Curiosity finds evidence of a daily water cycle on Mars

Conditions allow salts in the soil to pull water from the atmosphere.<p>A huge range of data indicates that water has played a key part in the history …

Geoscience

A New View of Europa

Europa is like a spherical ice cube that has partially melted. In fact, if you shook this small moon of Jupiter, you might hear a sloshing sound.<p>That’s because a deep, global ocean lies beneath the moon’s frozen, criss-crossed crust – an ocean that might be as much as 100 kilometers deep. In fact, …

Astronomers Happen Upon The Most Distant Lensing Galaxy Ever Discovered

Astronomers using the Hubble Space Telescope have spotted an elliptical galaxy 9.6-billion light years from Earth that is so colossal, its gravity …

Distant Black Hole’s Spin Clocked - Sky & Telescope

<b>A new measurement could be the farthest back in time astronomers have ever reached when measuring a black hole’s spin.</b><p>The quasar Q2237+0305 is split …

Black Holes

Distant planet has four suns

Were it possible to see the skies from this world, the four parent stars would look like one small sun and two very bright stars visible in the …

Universe

New Evidence of Ancient Child-Trafficking Network Unearthed in Maya Sacrifice Cave

By Ben MarksOne morning, a Mennonite farmer in the Cayo district of western Belize got up like he always did to feed his chickens and milk his cows. …

Archaeology

Circular thinking: Stonehenge's origin is subject of new theory

Wiltshire monument may have been equivalent of ‘an ancient Mecca on stilts’ according to an idea put forward by former museum director Julian Spalding<p>Whether it was a Druid temple, an astronomical calendar or a centre for healing, the mystery of Stonehenge has long been a source of speculation and …

17-million-year-old whale skull helps place humanity's first steps

A 17-million-year-old beaked whale fossil is helping researchers solve a puzzle about the likely birthplace of humanity in East Africa, a new study …

Did President Dwight Eisenhower play professional baseball under a false name?

Trivia question: has a professional ballplayer ever become president of the United States? Some evidence says yes.<p>President Dwight Eisenhower …

Supermassive Black Hole Found Farting A Trillion Suns' Worth Of Energy

Scientists zero in on the size, shape, and speed of the gas that reconfigures galaxies<p>At the center of any massive galaxy, you’ll most likely find one daunting portion of space-time: a supermassive black hole. These gigantic gravity wells are so enormous, they have a mass that’s equal to millions …

Black Holes

America’s Forgotten Mass Lynching: When 237 People Were Murdered In Arkansas

In 1919, in the wake of World War I, black sharecroppers unionized in Arkansas, unleashing a wave of white vigilantism and mass murder that left 237 …

Lincoln’s final hours: Moment by moment, inside Ford’s Theatre and the home where the president died

<b>(Wikimedia)</b><p>It was a scene of horror and disbelief, yet those who were there recall feeling inspired to live worthy of the man<p>Richard Wightman Fox<p>February 16, 2015 11:59am (UTC)<p>Excerpted from “Lincoln’s Body: A Cultural History”<p><i>The collective sense of what had occurred was of a sadness too noble not</i> …

George Washington

​Minnesota High School Hockey Teams Throw Down In Line Brawl

A Saturday playoff hockey game between Minnesota high schools Benilde-St. Margaret's and Eden Prairie turned into a line brawl with less than a …

Archaeologists find remains of previously unknown pharaoh in Egypt

The 3,600-year-old remains of a forgotten pharaoh unearthed this month in southern Egypt may be the first of several significant discoveries in a previously ignored burial ground that rivals the Valley of the Kings, the find's lead archaeologist said on Wednesday.<p>The discovery of King Senebkay is …

What Prisoners Ate at Alcatraz in 1946: A Vintage Prison Menu

Why would you want to escape from Alcatraz when you could eat Beef Pot Pie Anglaise for lunch on Tuesday, Baked Meat Croquettes on Wednesday, and …

Pull Quote

Ancient people sacrificed offerings to water god at edge of sacred pool.<p>Nestled in a quiet forest in Belize, a deep aquamarine pool holds ruins from a time when the ancient Maya turned to a "drought cult" and hurried sacrifices to a water god to stave off the fall of their civilization.<p>At the Cara …

Why We're Looking for Alien Life on Moons, Not Just Planets

Think “moon” and you probably envision a desolate, cratered landscape, maybe with an American flag and some old astronaut footprints. Earth’s moon is …

6 Reasons to Upgrade to RebelMouse from WordPress

The huge gap between current CMS offerings and what the world needed occurred to me during my time as CTO of The Huffington Post. When we were …

Did Humans Walk the Earth with Dinosaurs? Triceratops Horn Dated to 33,500 Years

A Triceratops brow horn discovered in Dawson County, Montana, has been controversially dated to around 33,500 years, challenging the view that …

Step Brothers - Mums In the Garage feat. Action Bronson