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Space

Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.

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Is Earth the Only Planet With Tectonic Plates?

Some scientists think the existence of plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth?

10 Surprising Facts About Astronaut Training

NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.

Why Did NASA Send a Load of Sperm Into Orbit?

Astronauts will be testing human and bull sperm to see how microgravity might affect future human reproduction in space.

Scientists Confirm Uranus Stinks

Astronomers have just discovered a gas in Uranus' clouds that does nothing to help the planet being taken seriously.

The Sun Has Siblings, and You Can Help Find Them

It's been a while since the sun has hung out with its brothers and sisters in the same stellar nursery, but they're definitely out there, and citizen scientists can help find them.

Mystery Meteorite Came From Long Gone Alien World

No one knew exactly what the deal was with ureilites, a rare type of meteorite, until now.

Point Nemo: Where Spacecraft Go to Die

There's a lot of junk orbiting in outer space. But what happens to those abandoned rockets and mission-related garbage when it goes to its final resting place?

Why Fruit Flies Were the First Animals in Space

The little flies have way more in common with us than you think. And it made them the perfect test animal to send to space.

Interstellar Asteroid 'Oumuamua Has Loads More to Tell Us

Yep, 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant like Jupiter.

SpaceX Resupply Mission Will Help ISS Crew Study a Whole Lot of Science

The SpaceX mission to the International Space Station, scheduled for liftoff on April 2, will enable research on everything from thunderstorms to wound healing.

This Galaxy Doesn't Have Dark Matter, and That's Weird

It's called NGC1052-DF2, an ultra-diffuse galaxy located 65 million light-years away, and it might mean that we don't quite know how all galaxies form after all.

Early Humans Witnessed a Comet-scattering Stellar Encounter

Scholz's star buzzed our solar system back when humans and Neanderthals roamed the planet. Turns out that encounter may have shaken up a whole bunch of comets.

Mega-hurricanes and Monstrous Jets Lie Beneath Jupiter's Clouds

Beneath Jupiter's famous swirls and stripes is an environment that's completely unlike anything on Earth.

Is the U.S. Government Hiding New Proof of Alien Life?

The government's secret Advanced Aviation Threat Identification Program has spent millions researching UFOs and alien life. Are they covering up their findings?

The Man on the Moon Is Calling, Via the First Lunar Cell Network

In 2019, the moon will be getting its own 4G network. That could be better service than some of us have here on Earth.

Tiny Yet Mighty: Neutron Stars May Be Ravenous X-ray Dazzlers

Some neutron stars may have a pretty amazing party trick up their stellar sleeves.

The Farthest Pictures From Earth Ever Taken

New Horizons takes photo from 3.79 billion miles (6.12 billion kilometers) away from Earth.

NASA's Kepler Mission Adds 100 Alien Worlds to Exoplanet Tally

The Kepler Space Telescope seeks out small habitable exoplanets that may share similar qualities to Earth.

Are Alien Worlds in TRAPPIST-1 More Habitable Than Thought?

TRAPPIST-1 is a mini version of our solar system, and astronomers have started figuring out what life on those exoplanets might be like.

Could Dark Matter Spawn 'Shadow Life'?

You could be reading this article deep in a dark matter rainforest filled with creatures in a roaring dark matter ecosystem — but have no clue.

Falcon Heavy Launch Major Success for SpaceX

The countdown begins to send Elon Musk's most powerful rocket beyond Earth's atmosphere. Whether it will be a success is anybody's guess.

Scientists Working on Converting Human Waste Into Food for Astronauts

In space, poop is often a problem. Maybe it will be part of the solution, thanks to a study showing waste can become protein and fat.

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