matt Hemmings

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U.S. Military Wants a Space Plane

The United States military is kick-starting a suborbital hypersonic vehicle program that also aims to launch payloads into orbit on the cheap.<p>The new …

Mars Offers Humanity A Do-Over

On Monday, the Mars One Project announced that its group of 1,058 finalists for a one-way trip to Mars has been whittled down to 705, based on the results of medical examinations and on personal decisions to drop out of the pool.<p>Last month when I wrote about Mars One's aim to establish a human …

NASA's Next Rover Could Carry a Greenhouse to Mars

For some time now NASA has been developing projects that would create renewable food sources for its future crew on Mars. Some of the projects …

Tech Time Warp of the Week: Watch Google Recruit for the First Human Colony on Mars

Google is known for its moonshots: building autonomous cars, erecting artificial brains, even trying to beat death.<p>But then there was the time the …

Moon Visits a Fading Mars in Saturday Night Sky

As the evening twilight deepens on Saturday night, check out the southeastern sky. Weather permitting, you have a chance to see the moon and Mars in …

Meet Kepler-186f, the most 'Earth-like' planet ever found

Sifting through observations from tens of thousands of distant stars, astronomers say they have discovered the first definitive Earth-sized planet that orbits in a habitable zone where water could exist in liquid form — a necessary condition for life as we know it.<p>Experts don’t know if the planet, …

Kepler Finds 1st Earth-Size Planet In 'Habitable Zone' of Another Star

Using NASA's Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the range of …

Universe

Unlocking the mysteries of the Earth's twin, Kepler-186f, and other exoplanets

Dr Giovanna Tinetti of University College London explains why newly discovered planets outside our solar sysem are so exciting<p>Astronomers have recently discovered Kepler-186f, a planet of similar size to the Earth orbiting its star within its so-called "habitable" zone. We ask Dr Giovanna Tinetti …

"Fossil Galaxy" Discovered From the Early Universe

A small galaxy circling the Milky Way may be a fossil left over from the early Universe.<p>The stars in the galaxy, known as Segue 1, are virtually pure …

Japan Plans to Harvest Solar Power from Space by 2030

One of the big downsides of solar power is how dependent it is on local weather conditions. If it’s rainy or overcast, you can’t harvest much energy …

In Focus: Explosion in Planet Discoveries Intensifies Search for Life Beyond Earth

With the discovery of planets like our own just over the horizon, a new era in the search for life is about to begin.<p>Over the past five years, we've come to realize that in our galaxy planets are everywhere. And with scientists discovering new exoplanets by the hundreds, one more world would hardly …

Valles Marineris: The Grand Canyon of Mars

<b>The largest canyon in the Solar System cuts a wide swath across the face of Mars. Named Valles Marineris, the grand valley extends over 3,000</b> …

ASTRONOMERS HARNESS THE GALAXY’S BIGGEST TELESCOPE TO MAKE MOST PRECISE MEASUREMENT OF SPINNING STAR

The densely packed matter of a pulsar spins at incredible speeds, and emits radio waves that can be observed from Earth, but how neutron stars emit …

Are we ready for contact with extraterrestrial intelligence?

The SETI project scientists are known for tracking possible extraterrestrial signals, but now they are also considering sending messages from Earth …

Researchers with NASA's Operation IceBridge added three more…

Researchers with NASA's Operation IceBridge added three more flights to the books, continuing the campaign's data collection with surveys of major outlet glaciers and elevation across the northern Greenland Ice Sheet. In two weeks the IceBridge Arctic campaign will come to a close with the P-3 carrying the research team back from Thule Air Base.<p>NASA’s Operation IceBridge images Earth's polar ice in unprecedented detail to better understand processes that connect the polar regions with the …