Space

134 articles with this tag

How NASA's SPHEREx Maps the Entire Sky in 102 Colors Science

How NASA's SPHEREx Maps the Entire Sky in 102 Colors

NASA's SPHEREx space telescope surveys the entire sky in 102 infrared wavelengths, hunting for clues about the Big Bang, mapping interstellar ice, and...

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What Is Positronium—the Atom Made of Antimatter Science

What Is Positronium—the Atom Made of Antimatter

Positronium is an exotic atom made of an electron and its antimatter twin, the positron. It exists for less than a microsecond before annihilating in...

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How Multistage Rockets Work—and Why They Must Science

How Multistage Rockets Work—and Why They Must

Multistage rockets solve the fundamental physics problem that makes single-stage-to-orbit nearly impossible, shedding dead weight stage by stage to re...

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How Commercial Space Stations Work—and Why the ISS Era Is Ending Science

How Commercial Space Stations Work—and Why the ISS Era Is Ending

With the International Space Station set for retirement, NASA is betting on private companies to build its replacements. Here's how commercial space s...

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How Rotating Detonation Engines Work—and Why They Matter Technology

How Rotating Detonation Engines Work—and Why They Matter

Rotating detonation engines harness continuous supersonic explosions in a ring-shaped chamber to generate thrust far more efficiently than conventiona...

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How Planet Classification Works—and Why Pluto Lost Science

How Planet Classification Works—and Why Pluto Lost

The IAU's 2006 definition of a planet stripped Pluto of its status by adding an orbit-clearing criterion, igniting a debate between dynamicists and ge...

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How NASA's Artemis Program Works—Moon and Beyond Science

How NASA's Artemis Program Works—Moon and Beyond

NASA's Artemis program aims to return humans to the Moon and eventually reach Mars. Here's how SLS, Orion, and commercial landers work together to mak...

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How Optical Vortices Work—Light That Twists Science

How Optical Vortices Work—Light That Twists

Optical vortices are beams of light with spiral wavefronts that carry orbital angular momentum. They could revolutionize quantum communication, boost...

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How Rovers Detect Organic Molecules on Mars Science

How Rovers Detect Organic Molecules on Mars

Mars rovers use miniature chemistry labs to heat, dissolve, and analyze Martian rocks, searching for the carbon-based molecules that could hint at anc...

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How Continental Rifting Works—Africa's Next Ocean Science

How Continental Rifting Works—Africa's Next Ocean

The East African Rift is slowly splitting the continent in two. Here's how tectonic forces tear landmasses apart and eventually create new ocean basin...

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How Tidally Locked Planets Work—Eternal Day Meets Night Science

How Tidally Locked Planets Work—Eternal Day Meets Night

Tidally locked planets keep one face permanently turned toward their star, creating a world split between scorching daylight and frozen darkness. Scie...

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How Meteor Showers Work—Cosmic Debris at 70 km/s Science

How Meteor Showers Work—Cosmic Debris at 70 km/s

Meteor showers occur when Earth plows through trails of dust and rock left behind by comets. Here's the science behind these annual celestial displays...

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