Space

134 articles with this tag

What Are 'Forbidden' Planets and Why They Exist Science

What Are 'Forbidden' Planets and Why They Exist

Gas giant exoplanets orbiting tiny red dwarf stars defy the leading models of planet formation. Here is how these so-called forbidden planets challeng...

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SpaceX-xAI Mega-Merger and Gemini 3.1 Mark AI's New Era Technology

SpaceX-xAI Mega-Merger and Gemini 3.1 Mark AI's New Era

SpaceX's record $250 billion acquisition of xAI and Google's launch of the ultra-efficient Gemini 3.1 Flash-Lite model cap a historic Q1 2026 that saw...

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Artemis II Crew Shatters Apollo 13 Distance Record Science

Artemis II Crew Shatters Apollo 13 Distance Record

NASA's Artemis II crew aboard the Orion spacecraft reached a record 252,756 miles from Earth on April 6, surpassing Apollo 13's 56-year-old record by...

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How Mu2e Hunts for Physics Beyond the Standard Model Science

How Mu2e Hunts for Physics Beyond the Standard Model

Fermilab's Mu2e experiment aims to catch a muon converting into an electron without emitting neutrinos—a process forbidden by the Standard Model that...

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How the Rubin Observatory Will Map the Entire Sky Science

How the Rubin Observatory Will Map the Entire Sky

The Vera C. Rubin Observatory in Chile uses the world's largest digital camera to photograph the entire visible sky every three nights, hunting astero...

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How NASA's SLS Mega-Rocket Works—and Why It Matters Science

How NASA's SLS Mega-Rocket Works—and Why It Matters

NASA's Space Launch System is the most powerful rocket ever built for crewed spaceflight, designed to send astronauts beyond low Earth orbit for the f...

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How Free-Return Trajectories Work—and Why They Save Lives Science

How Free-Return Trajectories Work—and Why They Save Lives

A free-return trajectory uses the Moon's gravity to slingshot a spacecraft back to Earth without engine burns, serving as the ultimate safety net for...

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How Gamma-Ray Bursts Work—the Universe's Biggest Blasts Science

How Gamma-Ray Bursts Work—the Universe's Biggest Blasts

Gamma-ray bursts are the most powerful explosions in the known universe, releasing more energy in seconds than the Sun emits in its entire lifetime. H...

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How Microgravity Affects Fertility—and Why It Matters Science

How Microgravity Affects Fertility—and Why It Matters

As humanity plans missions to Mars and beyond, scientists are discovering that microgravity disrupts nearly every step of reproduction—from sperm navi...

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How NASA's Orion Spacecraft Works—and Why It Matters Technology

How NASA's Orion Spacecraft Works—and Why It Matters

NASA's Orion capsule is the first crewed vehicle designed for deep space since Apollo. Here is how its heat shield, life support, and navigation syste...

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How Atmospheric Reentry Works—and Why Speed Kills Science

How Atmospheric Reentry Works—and Why Speed Kills

Returning from space means slamming into a wall of air at thousands of kilometers per hour. The physics of atmospheric reentry—from blunt-body aerodyn...

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How Solar Flares Work—and Why They Threaten Earth Science

How Solar Flares Work—and Why They Threaten Earth

Solar flares are sudden eruptions of magnetic energy on the Sun that can disable satellites, knock out power grids, and disrupt GPS. Here's how they f...

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