Shobha Rani Ainala

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Astronomers: Our Sun Is Likely Capable of Producing an Apocalyptic 'Superflare'

But we'll probably be OK.<p>It would be make for an impressive doomsday. One moment, here we are gardening or walking to lunch in the mellow light of a spring Sun, and the next moment said Sun has shredded Earth's atmosphere and twisted up our power grids, radio communications, GPS, and most anything …

Universe

Spacecraft spots the tallest mountain seen on Saturn's moon Titan

Anyone up for a low-gravity hike on an icy moon?<p>The Cassini spacecraft, which has explored Saturn and its moons from close range for about 12 years, …

What NASA Can Learn From the March 9 Eclipse

Next week's total solar eclipse will give NASA a rare peak at the Sun's atmosphere.<p>On Wednesday, March 9, those lucky enough to find themselves within a few hundred miles of Indonesia will be treated to a total solar eclipse, a relatively rare space event in which the moon completely blocks out the …

Livestreaming

An Asteroid The Size of a Basketball Court Will Approach Earth This Week

Don't forget to wave!<p>A 30-metre asteroid is expected to zip past Earth some time between March 5 and 8, and while it’s an awesome reminder that yes, …

What does a scientist think of "right brain/left brain" tests?

<b>Maybe you've noticed the recent spate of "brain tests" making the rounds online.</b><p>There are different versions - several have been shared hundreds of thousands of times on Facebook - but most of them take the form of a quiz which purports to show how "left-brained" or "right-brained" you are. The …

The Brain

Earth could be unique among 700 quintillion planets in the Universe

But what if - statistically speaking - the odds are stacked against us finding another planet even remotely like Earth?<p>That's the thinking behind a new study by an international team of researchers, which has taken what we know about the exoplanets that lie outside our Solar System and fed the data …

Universe

Russia's amazing moon base: Everything we know

All your base are belong to Russ

Space Science

Meet Planet Nine, The Newly Discovered Ninth Planet In Our Solar System

There’s some debate over just how many planets our solar system has because Pluto never gets a break. But the argument is about to get a lot weirder with the announcement of a potential new planet circling the sun. Meet Planet Nine, the planet we didn’t know existed.<p>To be fair, Planet Nine is …

Universe

7 Mind-Blowing Facts About The Universe To Put Your Ego In Check

We are, as the saying goes, but a tiny speck.<p>And from time to time, it's important to put things into perspective. Or, as astrophysicist Neil deGrasse Tyson would tell you, have your mind blown.<p>Just consider for a moment that while Earth has an equatorial diameter of 7,926 miles, the Milky Way's is …

Universe

Special Report: Gravity’s Century

In 1915, the universe was small and static. Space was smooth. Gravity pulled things to the ground. At least that’s the way it was in the minds of all …

Physics

Lack Of Deep Sleep May Set The Stage For Alzheimer's

There's growing evidence that a lack of sleep can leave the brain vulnerable to Alzheimer's disease.<p>"Changes in sleep habits may actually be setting the stage" for dementia, says Jeffrey Iliff, a brain scientist at Oregon Health & Science University in Portland.<p>The brain appears to clear out toxins …

Dementia

Mars Polar Lander Successfully Launched

Mars Polar Lander -- due to become the first spacecraft to set down near the edge of Mars' southern polar cap -- pierced through a blustery, …

Space

Postal service honors Pluto mission, 'Star Trek' in new space-themed stamp collections

The U.S. Postal Service is looking to the cosmos for inspiration in its latest collections of stamps.<p>The agency's lineup of stamps for the new year …

NASA's Curiosity Mars rover just snapped a picture of something that's unlike anything it encountered before

The new Mastcam color self portrait was taken just days ago on December 19, and includes the first ever color images of the rover deck.<p>Previously, …

The Number One Neuroscience Game-Changing Tool All Leaders Need For The New Year

Who do you work with that just drives you bonkers? Do you wish there was a way to wave a magic wand and instantly remove the immediate irritation, angst and frustration you associate with them?<p>While I don’t have a magic wand, thanks to neuroscience, I do have a practical tool that you can start …

Self-help

Black holes can grow to 50 billion times the mass of the Sun... and then stop

Black holes can only grow to 50 billion times the mass of the Sun, before they lose their only source of 'food' and stop growing. Scientists …

Trapped CO2 gas may form Martian gullies

<b>Gullies seen on the surface of Mars could be formed by trapped CO2 gas causing sand to flow downhill, a new modelling study suggests.</b><p>In the Martian winter, a layer of CO2 frost - dry ice - forms on the surface in many regions of the red planet.<p>Writing in Nature Geoscience, French researchers now …

Climate Change

Science: Best long reads of 2015 (part two)

<b>Part two of our festive collection of Science and Environment reads. You can read part one here.</b><p>Enceladus: A second genesis of life? <b>By Jonathan Amos.</b><p>The huge jets of water vapour that erupt from Saturn's moon Enceladus make this ice-crusted body unique in the Solar System. Before Nasa's Cassini …

Space

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SpaceX’s 'reusable' Falcon 9 rocket won’t fly again, Elon Musk says

A small step toward reusability, not a leap<p>The history-making Falcon 9 first stage will never fly again, Elon Musk said during a press call this evening. "I think we’ll probably keep this one on the ground," he said, "just [because] it’s kind of unique, it’s the first one we’ve brought back."<p>The …

Space Travel

Asteroid deflection schemes go green with solar-powered laser spacecraft

The threat of an asteroid hitting our home planet may not an immediate one, but it better be tackled before it becomes imminent. The brief visit of …

Asteroids

32 Of The Year's Most Amazing Science Pictures

Space is cool, but so are seals.

NASA satellite images: Which are the most polluted countries in the world?

<b>(CNN) —</b> The United States and Europe are among the world's largest emitters of nitrogen dioxide -- but both have also shown the most dramatic reductions in these emissions between 2005 and 2014, according to new global NASA satellite maps.<p>Nitrogen dioxide is a yellow-brown gas that is a common …

Pollution

An algorithm can tell if your face is forgettable

Some faces are more memorable than others. The brain processes visual cues to decide if a face or an image will stay lodged in the memory bank. What if a network could be trained to imitate that response? You could potentially alter the visuals for a greater impact. A team of researchers at MIT's …

Why can’t a space station in orbit be tethered to the ground?

Readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts<p>If a space station were in a geostationary orbit, why couldn’t it just be tethered to the earth with a cable that could be ascended and descended by astronauts? This isn’t rocket …

Space Exploration

Butterflies remember a mountain that hasn't existed for millennia

Geology is what we look to when we want enduring monuments. Rock and metal outlast anything made of living tissue. Or do they? In another example of …

The Great Filter theory suggests humans have already conquered the threat of extinction

It's difficult to not be pessimistic when considering humanity's future prospects. Many people would agree that it's more likely than not that we'll …

100 years on, is this Einstein’s greatest gift to human understanding?

The detection of gravitational waves will open up a new spectrum of the universe – finally demonstrating a theory presented a century ago<p>History may judge 2015 as the year when mankind opened up a completely new window on the universe, exactly a century after Albert Einstein laid the scientific …

Physics

'Impossible' Space Engine May Actually Work, NASA Test Suggests

It's really starting to look as if an "impossible" space propulsion technology actually works.<p>Researchers at NASA's Johnson Space Center in Houston …

That "Mysterious Object" on a Collision Course with Earth Just Burned In Our Atmosphere

I wasn’t worried. Were you worried?<p>The Earth’s most infamous hunk of space trash, a rather-large object by the apt-name of WT1190F, has been …