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Early Earth could have lost as much as 40% of its mass during collisional growth.
It's good to see two old rivals work together.
We might someday build cities inside lava tunnels on Mars.
Asteroids of a feather flock together. Sometimes into a comet.
The brightest cosmic rays don't seem to be from the same neighborhood.
The Milky Way just got an ego boost.
You can't get any more lunar than this without leaving the planet.
Strange things happen in the dark.
It's the 'blackest' planet we've found.
We had a good run!
Mars may be more porous than we thought.
A strikingly different take on the asteroid belt's origin.
There's less water than in Earth's driest deserts. But that's still a lot more than we used to hope.
Not good news for interplanetary travel.
This may be crazy enough to work.
Space flight just got a lot sexier.
Despite traveling more than ten billion miles in four decades, Voyager-1 is still at it.
It will shine three times brighter than Mars in the night's sky. It might also cause an unpleasant stir in the Oort cloud...
If confirmed, this could indicate a remarkable progress in modern physics.
This year is shaping up as SpaceX's best one yet.
The mysterious high-energy signals are unaccounted for. Alien technology is not excluded.
This is 620 light-years away!
The final selection for New Horizons is expected in mid-2019.
Make sure to wave as it passes by.
Four grams worth of space explorer.
Yes, on some planets it rains diamonds!
Stay hydrated up there, ladies and gents.
This could be both good and bad for potential extraterrestrial life.
Time to dust off that old Skyrim dvd.
No, they don't want to chase away the eclipse. It's just science.
It's the best candidate for an alien moon we've encountered so far.
Aside from the romantic aspect, the study also offers an important scientific perspective.
The findings have big implications for future missions to the moon.
The Cassini spacecraft will get a burial place fit for such a long-trekked explorer: Saturn.
It's the best place to get lost -- and trust me, you will.
Oh boy...
It seems like a freckle, but this freckle is larger than the Earth.
It's awesome, it's very useful, and it's open for everyone to use.
The prospect of finding life on Mars is getting bleaker.
Can the Russians take on SpaceX?
Nature, being ridiculously cool since forever.
"God created the heavens and the earth," he says.
It also debunks one of climate deniers most cited argument.
The new space race seems to be shaping up in Asia.
Happy bday, NASA!
Inspired by nature, scientists tackle a sticky problem.
This is one slow dance.
Can you make out Curiosity from this satellite photo?
Shoot for the stars and you might just land on Mars.
This is the beginning of the quantum internet.
