Using only the power of the sun, experimental aircraft Solar Impulse 2 successfully finished its nearly five-day journey around the world on Friday when it landed in Hawaii.
As part of a British Interplanetary Society conference, a diverse group of thinkers are contemplating how denizens of a future Martian colony could counteract the emergence of a dictator.
George Knapp shares a number of news items that have recently caught his attention, including an article about a cosmic experiment, and photos of America's nuclear weapons legacy
On his final day aboard the International Space Station, NASA astronaut Terry Virts captured a truly breathtaking photo of the Great Pyramids of Giza in Egypt.
George Knapp shares some online items that have recently caught his attention, including a report by The Humane Society on puppy mills, a piece with video on why the US Air Force is developing hypersonic weapons, an essay on the astonishing mathematical...
George Knapp (pictured in a 1999 photo with the great musician B.B. King who recently passed away) shares a number of items that have recently caught his attention
The Curiosity rover recently caught a blue-tinged sunset on Mars. Though the Martian sky is yellow to orange, the blue hue was attributed to the planet's frequent dust storms, which cause a kind of light scattering.
An international team of astronomers has found a galaxy that is farther away from Earth than any other galaxy
Researchers using NASA's Hubble Space Telescope have discovered a halo of gas enveloping the Andromeda galaxy like an immense atmosphere.
NASA's new initiative is bringing together scientists from different fields to work on the search for life on planets outside our solar system. Called NexSS or the Nexus for Exoplanet System Science, experts in Earth science, planetary science,...
George Knapp shares a number of news items that have recently caught his attention including articles on an effort to make Nessie the national animal of Scotland, a baffling death in Los Angeles
Scientists have a discovered a "supervoid"-- an empty spherical blob (circled in white in the image) that currently holds the title of being the largest known structure in the universe-- a mind boggling 1.8 billion light years across.
George Knapp shares a number of items that have recently caught his attention, including articles about mind uploading, and death by black hole
For the first time in history, an autonomous car has completed the cross country journey from San Francisco to New York City.
George Knapp shares a number of items that have recently caught his attention including articles on the power of elves in Iceland, and the quest to revive the extinct Mammoth
There could Earth-like planets orbiting a star in our nearest solar system—Alpha Centauri. Scientists used Hubble data to find a dip in the light from a recently discovered planet, Alpha Centauri B, caused when it passes in front of the star. Evidence...