Astronomy

31 articles with this tag

What Are Interstellar Comets and How Do They Work? Science

What Are Interstellar Comets and How Do They Work?

Interstellar comets are icy visitors from other star systems that pass through our solar system on hyperbolic trajectories. Only three have ever been...

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What Is a Kilonova and How It Forges Gold in Space Science

What Is a Kilonova and How It Forges Gold in Space

When two neutron stars collide, they unleash one of the universe's most violent events — a kilonova that forges gold, platinum, and other heavy elemen...

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What Is Gaganyaan: India's First Human Spaceflight Science

What Is Gaganyaan: India's First Human Spaceflight

Gaganyaan is India's ambitious crewed space mission, designed to carry three astronauts to low Earth orbit and return them safely — making India only...

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Hidden Solar Fingerprints May Transform Space Weather Science

Hidden Solar Fingerprints May Transform Space Weather

Scientists have discovered that the Sun's interior leaves measurable structural "fingerprints" between solar cycles — a breakthrough that could dramat...

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What Are JWST's Little Red Dots? Science

What Are JWST's Little Red Dots?

Since 2024, the James Webb Space Telescope has detected hundreds of mysterious compact red objects in the early universe. Scientists are debating whet...

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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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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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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 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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