Astronomy

96 articles with this tag

How Planetary Collisions Work and Why They Matter Science

How Planetary Collisions Work and Why They Matter

When two planets slam into each other, the results can reshape entire solar systems. Scientists now understand how these cataclysmic events work — and...

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Oval Orbit Reveals Exotic Neutron Star–Black Hole Merger Science

Oval Orbit Reveals Exotic Neutron Star–Black Hole Merger

For the first time, scientists have confirmed that a neutron star and a black hole spiraled into each other on an elliptical — not circular — orbit, o...

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How Water Ice Survives on the Moon and Why It Matters Science

How Water Ice Survives on the Moon and Why It Matters

The Moon looks bone-dry, yet billions of years of comet impacts and solar chemistry have deposited water ice inside permanently shadowed polar craters...

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How Gravitational Wave Detectors Work Science

How Gravitational Wave Detectors Work

Gravitational wave detectors like LIGO use laser beams split across 4-kilometer tunnels to sense ripples in spacetime a thousand times smaller than an...

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What Is a Magnetar? The Universe's Most Magnetic Star Science

What Is a Magnetar? The Universe's Most Magnetic Star

Magnetars are a rare type of neutron star with magnetic fields a trillion times stronger than Earth's — capable of releasing more energy in a fraction...

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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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