Space

128 articles with this tag

New Mars Mineral Found in Ancient Sulfur Deposits Science

New Mars Mineral Found in Ancient Sulfur Deposits

Scientists have identified ferric hydroxysulfate, a potentially brand-new mineral, in ancient sulfate-rich sediments on Mars. The discovery, published...

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How Deep-Sea Aircraft Searches Work Technology

How Deep-Sea Aircraft Searches Work

When a plane vanishes over open ocean, finding it can mean scanning thousands of square kilometers of pitch-black seafloor miles beneath the surface....

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What Are Quadruple Star Systems and How They Work Science

What Are Quadruple Star Systems and How They Work

Most stars are not alone in space. Multiple star systems — pairs, triples, and quartets locked in gravitational embrace — are surprisingly common, and...

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How Reusable Rockets Work and Why They Matter Technology

How Reusable Rockets Work and Why They Matter

Reusable rockets recover their boosters after launch, refurbish them, and fly again—slashing launch costs by up to 75% and transforming space from a g...

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What Is a Megamaser? How Galaxies Create Space Lasers Science

What Is a Megamaser? How Galaxies Create Space Lasers

Megamasers are among the most powerful natural phenomena in the universe — radio beams billions of times brighter than ordinary cosmic masers, born fr...

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What Is a Gravity Hole? Antarctica's Weak Spot Explained Science

What Is a Gravity Hole? Antarctica's Weak Spot Explained

Antarctica sits above Earth's strongest 'gravity hole'—a region where gravitational pull is measurably weaker than the global average. Scientists have...

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What Are Cosmic Voids and How They Shape the Universe Science

What Are Cosmic Voids and How They Shape the Universe

Cosmic voids are the vast, near-empty bubbles that make up most of the universe's volume. Far from being irrelevant, these giant hollows are key to un...

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What Is Dark Matter and Why Can't We See It? Science

What Is Dark Matter and Why Can't We See It?

Dark matter makes up 27% of the universe but emits no light and defies direct detection. Here is what scientists know about it, how they proved it exi...

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Webb Telescope Spots Most Distant Jellyfish Galaxy Yet Science

Webb Telescope Spots Most Distant Jellyfish Galaxy Yet

The James Webb Space Telescope has captured the galaxy COSMOS2020-635829 at a distance of 8.5 billion light-years — the most distant "jellyfish galaxy...

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How the Northern Lights Form and Why They Glow Science

How the Northern Lights Form and Why They Glow

The aurora borealis is one of Earth's most spectacular natural phenomena — but the physics behind those shimmering curtains of color is equally remark...

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How Deep-Sea Hydrothermal Vents Support Life Without Sun Science

How Deep-Sea Hydrothermal Vents Support Life Without Sun

Miles beneath the ocean surface, hydrothermal vents host thriving ecosystems powered not by sunlight but by chemicals — overturning everything scienti...

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What Is China's Xuntian Space Telescope? Science

What Is China's Xuntian Space Telescope?

China's Xuntian telescope — a 2.5-billion-pixel cosmic surveyor set to launch in late 2026 — promises to map 40% of the sky and reshape our understand...

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