articles tagged: cosmology
world of weird things podcast: how do you solve a problem like dark matter?
# podcast

world of weird things podcast: how do you solve a problem like dark matter?

Cosmologists have been trying to figure out what dark matter is made of for decades and getting nowhere. And now, some are wondering if dark matter is just an illusion created by gravity.

there may not be dark matter or energy, just gravity. we just don’t know how.
# space

there may not be dark matter or energy, just gravity. we just don’t know how.

Theoretical physicists seem ready to move on from looking at dark matter as unknown particles we’ve yet to discover, and consider it a side-effect of gravity at cosmic scales.

how we know the milky way is warped and twisted, and how it got that way
# space

how we know the milky way is warped and twisted, and how it got that way

If you imagine galaxies as tranquil clouds of gas and dust, lit up by billions of pinpoints of light, a 3D map of the Milky Way and the details behind it will show you otherwise.

world of weird things podcast: ultimate doomsday prepping
# podcast

world of weird things podcast: ultimate doomsday prepping

Just because the universe is dying doesn’t mean you and your civilization have to die with it, at least not if you’re ready to go stellar grave robbing.

turns out the oldest known star in the universe is in our backyard
# space

turns out the oldest known star in the universe is in our backyard

It turns out that one of the oldest objects in the known universe is only a few thousand light years from Earth.

a supercluster in the making gives us a peek into the universe’s early days
# space

a supercluster in the making gives us a peek into the universe’s early days

Astronomers discovered a large proto-supercluster that shows us just how quickly the universe we see today organized itself.

supermassive black holes, the paradoxical creators of stars, planets, and life
# space

supermassive black holes, the paradoxical creators of stars, planets, and life

Despite their fearsome reputation, we simply wouldn't exist without black holes.

never mind, the universe is still probably expanding at an accelerating rate
# science

never mind, the universe is still probably expanding at an accelerating rate

On further review, the study claiming that the universe is expanding at a steady rate ended up independently proving accelerating expansion.

the study that could quite literally change everything if it’s right
# science

the study that could quite literally change everything if it’s right

A new paper claims that the universe's expansion isn't accelerating. If that's true, we have to start rewriting cosmology as we know it.

how scientists accidentally solved the universe’s weight problem
# space

how scientists accidentally solved the universe’s weight problem

While studying mysterious fast radio bursts, astronomers figured out why the universe weighs as much as it does and where that mass went.

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