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Low-orbit Earth could become inoperable for spacecraft and satellites if this complacency persists, with dire consequences.
Celebrating the memory of the world's first and only astrocat.
The different types of rocks found in our solar system besides Earth.
That's one mystery about the Moon we can take off of the list.
These moon facts will make you see our mesmerizing satellite in a different way.
Unearthing cosmic history, one star at a time in the field of galactic archaeology.
From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning mysteries.
When asteroids hit the Earth, they leave behind spectacular geological landmarks.
This star system could have everything needed to find life.
Jupiter is at least twice as massive as all other planets in the solar system combined. But that’s not all…
The universe does not have a center point. How is this possible?
Over 70 years as humanity has begun to explore space, we have upon occasion, turned our gaze back to our own world, producing images that highlight our place in the vastness of space.
The nearest black hole isn't actually that far from us.
The decision to demote Pluto to a dwarf planet was arbitrary rather than being based on science.
Different from the other types of galaxies, lenticular galaxies are a puzzle in terms of how they were formed.
It rains water on Earth, but on Titan, it rains with methane. Find out how it rains on other planets.
Here's some of the largest, plumpest stars out there.
The coldest place in the Universe is the Boomerang Nebula, where temperature reaches only 1 degree Kelvin. However, humans have achieved much colder temperatures in the lab.
The amazing story of how the Cosmic Microwave Background was discovered completely by accident by American scientists.
Some stars are brighter than others, but why? Size and distance matter.
What is so important about the James Webb’s big old galaxies?
He thought Einstein was wrong in one regard -- and he was right.
China only launched its first crewed flight in 2003. Now it has a permanent space station and plans to build an outpost on the moon in the next decade.
Although they can contain billions of stars, dwarf galaxies are nevertheless just a fraction of the size of Milky Way.
The moon isn't just a pretty face.
Planets in binary, tetranary, octonary systems. Are they possible?
Four years ago astronomers discovered an unusual and powerful cosmic blast they nicknamed "the Cow." The mystery of what caused it and similar Fast Blue Optical Transients is still unsolved.
A journey through black holes from their violent exterior, light trapping event horizon, to a region where the laws of physics cease to apply.
Solar sailing exists for real, and here is the proof.
An equation that tries to dispel one of life's greatest mysteries.
A word on the Life and career of one of the first dames of modern astronomy
The Asteroid Belt, the Edgeworth-Kuiper Belt, nd the Oort Cloud are the motherships.
The sonification of astronomical data provides a new way to experience the cosmos.
Gravitational waves were detected by laser interferometers, but in 1982, indirect evidence was also popping up.
At the edge of the Sun's gravitational influence, there's a cloud of ice and rock. Probably.
We're littering our planet's orbit.
Twinkle, twinkle, little star.
We know constellations from Greek mythology, but other cultures had their own with their own myths.
For now at least, Dyson spheres are reserved for civilizations more advanced than us.
A foray into the world of neutron stars and their weird physics.
The gas giant has a large following worthy of its gargantuan mass.
Some of the most iconic images of Earth from space have been brought to new light.
They keep falling, but not down.
Dark energy accounts for as much as 72% of the Universe's matter and energy content and drives the accelerating expansion of the Universe. Yet this cosmic element is a lingering mystery.
Only 12 astronaut boots touched down on the lunar surface. But more are about to arrive soon (and they likely won’t be American).
You could fit nearly one million Earth-sized planets and the sun isn't even that big of a star.
Not only do gravitational waves represent the ultimate confirmation of the theory of General Relativity, they will provide us with a new way to see the cosmos. But what are these ripples in spacetime and where do they come from?
The Standard Model is our best description of the subatomic world. Join ZME for a stroll through the particle zoo.
84.4% of the matter in the universe is something that we don’t really understand yet.
Black holes have firmly moved from the status of theoretical curiosity to physical reality. We follow that transformation and the incredible phenomena discovered along the way.
