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Space & Physics

Astrophysics

Largest-Ever Cosmic Explosion Has Raged for Years

Robert Lea and SPACE.com

Astronomy

Elon Musk’s Starship Won’t Save Astronomy from Satellites Cluttering the Sky

Phil Plait | Opinion

Astrophysics

Is Time Travel Even Possible?

Lee Billings, Clara Moskowitz, Alexa Lim and Tulika Bose

What Created This Mini Book-Shaped Rock on Mars?

A book-shaped rock spotted by the Curiosity rover on Mars is the result of an interplay of wind, water—and the human brain

Stephanie Pappas

Astrophysics

Largest-Ever Cosmic Explosion Has Raged for Years

Robert Lea and SPACE.com

Astronomy

Elon Musk’s Starship Won’t Save Astronomy from Satellites Cluttering the Sky

Phil Plait | Opinion

Astrophysics

Is Time Travel Even Possible?

Lee Billings, Clara Moskowitz, Alexa Lim and Tulika Bose

Astronomy

Betelgeuse’s Brightening Raises Hopes for a Supernova Spectacle

Meghan Bartels

Quantum Physics

Quantum Physics

Physicists Create Biggest-Ever Schrödinger’s Cat

Lars Fischer and Daisy Yuhas

Public Health

Astronomy Tool Can Now Detect COVID in Breath

Starre Vartan

Cosmology

Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth

Jonathan O'Callaghan

Extraterrestrial Life

Extraterrestrial Life

JWST’s Exoplanet Images Are Just the Beginning of Astrobiology’s Future

Briley Lewis | Opinion

Most Popular

Betelgeuse’s Brightening Raises Hopes for a Supernova Spectacle

Betelgeuse, the red star at the shoulder of the constellation Orion, has been acting strange, raising hopes for the spectacle of a lifetime

Did JWST Just Find Water on a Rocky Exoplanet?

Hints of water vapor on a world called GJ 486 b could just as well come from the planet’s host star

Allison Gasparini

Quantum Physics

Physicists Create Biggest-Ever Schrödinger’s Cat

Physicists have put the largest-ever object into a quantum superposition

Lars Fischer and Daisy Yuhas

Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth

A new way to gauge the universe’s expansion rate has delivered a confusing result that may conflict with previous related measurements

Jonathan O'Callaghan

Largest-Ever Cosmic Explosion Has Raged for Years

For at least three years, the mysterious blast has shined ten times brighter than any supernova

Robert Lea and SPACE.com

Is Time Travel Even Possible?

Two SciAm editors duke it out to see if wormholes and multiverses could in fact exist.

Lee Billings, Clara Moskowitz, Alexa Lim and Tulika Bose

Special Report

Inside the New Missions to Jupiter's Moons

Inside the New Missions to Jupiter's Moons

Spacecraft will explore hidden oceans and the possibility of life on the moons of Jupiter

Videos

Vera Rubin Lives On in Lives of the Women She Helped in Astronomy

The “mother of dark matter” was a force of nature—and a forceful advocate for other women who wanted to dedicate their career to the cosmos.

March 31, 2023

Particle Physics

Particle Physics

This Particle Accelerator Makes a Substance That Has Not Existed in 13 Billion Years

February 22, 2023

Astrophysics

All the Gold in the Universe Was (Likely) Created This Way

January 5, 2023

Black Holes

What Is the Black Hole Information Paradox? A Primer

August 16, 2022

Astronomy

See the Oldest View of Our Known Universe, Just Revealed by the James Webb Space Telescope

July 11, 2022

Podcasts

Is Time Travel Even Possible?

Science, Quickly

Is Time Travel Even Possible?

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