Could we find aliens in 20 years? That’s debatable

(Photo: Anonymous / Jet Propulsion Lab via AP, file)

A prominent NASA scientist claims that we will find signs of alien life within 20 years. Others disagree, but say we should keep looking anyway.

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(Source: NBCNews.com)

Wow! Sochi’s Olympic lights look dazzling from space

(Photo: NASA)

The International Space Station’s astronauts are snapping fantastic pictures of the Sochi Olympics from 260 miles away.

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(Source: NBCNews.com)

Opportunity rover finds fresh signs that ancient Mars was life-friendly

(Photo: NASA / JPL-Caltech / Cornell / Science)

Ten years after it landed on Mars, NASA’s Opportunity rover has hit pay dirt again: This time, the rover’s scientists are reporting new evidence that garden-variety life could have thrived on the Red Planet billions of years ago.

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(Source: NBCNews.com)

'Hand of God' spotted by NASA space telescope

(Photo: NASA/JPL-Caltech/McGill)

Religion and astronomy may not overlap often, but a new NASA X-ray image captures a celestial object that resembles the “Hand of God.”

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(Source: NBCNews.com)

Spacewalkers finish crucial space station repairs in time for Christmas

(Photo: NASA TV)

Nearly two weeks after a faulty coolant valve crippled the International Space Station, two NASA astronauts took on a tricky Christmas Eve spacewalk to get things back to normal.

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(Source: NBCNews.com)

Spacewalkers do repairs more quickly than expected — and stay dry
Two NASA spacewalkers started fixing the International Space Station’s cooling system more quickly than expected on Saturday, with no sign of the helmet-flooding problem that led NASA to outfit astronauts with snorkels for the first time.

(Source: NBCNews.com)

BREAKING: NASA reports serious problem with space station coolant system

(Photo: NASA file)

A problem with one of the International Space Station’s cooling systems may require a repair spacewalk, NASA told NBC News on Wednesday.

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(Source: NBCNews.com)

8.8 billion habitable Earth-size planets exist in Milky Way alone

(Photo: AP Photo / NASA / Ames / JPL-Caltech)

Space is vast, but it may not be so lonely after all: A study finds the Milky Way is teeming with billions of planets that are about the size of Earth, orbit stars just like our sun, and exist in the Goldilocks zone — not too hot and not too cold for life.

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(Source: NBCNews.com)

Rawwr! Astronaut creates a toy dinosaur from space station scraps

(Photo: Karen Nyberg / NASA via Pinterest)

There is a dinosaur on board the International Space Station where there wasn’t one before.

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(Source: NBCNews.com)

Frog pops up in NASA photo of LADEE rocket launch: Did it croak? 

(Photo: NASA / WFF / MARS)

Oh my! We’re not sure to laugh or cry on this one (maybe both). This frog gives new meaning to “flying leap” (or giant leap). This little guy was obviously startled by the ignition of the Minotaur 5 rocket that launched the LADEE spacecraft last Friday.

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(Source: NBCNews.com)

Shampooing in outer space will make your hair stand on end

(Photo via InsideISS YouTube)

Zero-gravity hair care is easy when you’ve got Italian spaceflier Luca Parmitano’s chrome dome — but what if you’re NASA astronaut Karen Nyberg, whose hair floats like a foot-long mane on the International Space Station? Nyberg makes shampooing look easy, if somewhat hair-raising, in a video sent down from orbit.

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(Source: nbcnews.com)

NASA names eight new astronaut trainees — half of them women

(Photos: NASA)

NASA has picked eight Americans, a mix of scientists and military pilots, to begin training for future space missions that may one day launch them all the way to Mars. The new class includes four men and four women who will join the 49 active astronauts at the agency’s astronaut corps at the Johnson Space Center in Houston.

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(Source: nbcnews.com)

'Mars rat' taking Internet by storm

(Photo: NASA/JPL-Caltech)

A Mars rock that bears a passing resemblance to a rodent is scuttling across the Internet with gusto, even inspiring some fans to set up a Twitter account in its name.

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(Source: nbcnews.com)

Aloha, Mars! What we’ll eat, wear and play with to ease boredom in space

(Photo: Sian Proctor / HI-SEAS)

One month into a NASA-funded simulated space mission, a team of “gastronauts” on the slopes of Mauna Loa is already figuring out what to have for dinner on Mars.

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