Space

134 articles with this tag

What Are Quasars and How Do They Shape Galaxies? Science

What Are Quasars and How Do They Shape Galaxies?

Quasars are the brightest objects in the universe, powered by supermassive black holes devouring matter at galactic cores. New research shows their ra...

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What Are Supervolcano Calderas and How Do They Refill? Science

What Are Supervolcano Calderas and How Do They Refill?

Supervolcano calderas are massive craters formed when colossal eruptions drain underground magma chambers, causing the surface to collapse. Scientists...

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How Superconductors Work—and Why We Want Them Warmer Science

How Superconductors Work—and Why We Want Them Warmer

Superconductors carry electricity with zero resistance, enabling MRI machines, maglev trains, and quantum computers. Scientists are racing to make the...

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Artemis II: NASA's First Crewed Moon Mission in 53 Years Science

Artemis II: NASA's First Crewed Moon Mission in 53 Years

NASA is counting down to the April 1 launch of Artemis II, sending four astronauts around the Moon aboard the Orion spacecraft — the first crewed luna...

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How Helioseismology Works—Hearing Inside the Sun Science

How Helioseismology Works—Hearing Inside the Sun

Helioseismology uses millions of sound waves rippling through the Sun to map its hidden interior, much like an ultrasound scans the human body. The te...

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What Are Super-Earths and Why Scientists Hunt Them Science

What Are Super-Earths and Why Scientists Hunt Them

Super-Earths are exoplanets up to ten times Earth's mass that dominate our galaxy yet have no counterpart in our solar system. Scientists study them f...

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How Pulsars Work—the Universe's Cosmic Lighthouses Science

How Pulsars Work—the Universe's Cosmic Lighthouses

Pulsars are rapidly spinning neutron stars that sweep beams of radiation across space like cosmic lighthouses. Here is how they form, why they tick wi...

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How Lightning Works on Jupiter—and Why It's So Extreme Science

How Lightning Works on Jupiter—and Why It's So Extreme

Jupiter produces lightning bolts up to a million times more powerful than Earth's. From ammonia mushballs to stealth superstorms, here is how the gas...

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How Nuclear Propulsion Works in Space Science

How Nuclear Propulsion Works in Space

Nuclear propulsion promises to cut Mars travel time in half by using fission reactors to power spacecraft, offering far greater efficiency than chemic...

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How Lunar Bases Work—and What It Takes to Build One Science

How Lunar Bases Work—and What It Takes to Build One

Building a permanent outpost on the Moon requires solving extreme challenges from radiation and temperature swings to construction with local soil. He...

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What Are Red Giant Stars and How Do They Form? Science

What Are Red Giant Stars and How Do They Form?

Red giants are enormous, cool stars in a late stage of stellar evolution. When a star exhausts its hydrogen fuel, its core contracts while its outer l...

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What Is Antimatter and Why Is It So Hard to Move? Science

What Is Antimatter and Why Is It So Hard to Move?

Antimatter is the mirror image of ordinary matter and annihilates on contact with it, making it the most expensive and volatile substance on Earth. He...

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