Astrophysics
The Theory of Relativity, Then and Now
Albert Einstein's breakthrough from a century ago was out of this world. Now it seems surprisingly down-to-earth
Black Holes Might Catapult Rogue Supernovas Into Space
Like being fired from a slingshot at 4.5 million miles an hour
Hawaiians Are Protesting Construction of the World’s Largest Telescope
Native Hawai'ian activists say the volcano-top project is damaging sacred lands
Send Atomic Clocks to Space to Find Gravitational Waves
A new breed of the hyper-accurate clocks could help scientists detect the elusive ripples in space-time faster and cheaper
Technology from ‘Interstellar’ Could Be Useful to Scientists, Too
The movie’s visual effects are now being used for scientific research
Ask Smithsonian: How Does a Satellite Stay Up?
Meet a Harvard-Smithsonian researcher who monitors all the satellites and explains why they rarely fall
Nope, We Have Not Detected Gravitational Waves (Yet)
Leaked news from teams studying the early universe says the signal hailed as our first peek at space-time ripples really is just dust
Astronomers Catch a Mysterious Burst of Energy in Action
It's the first time scientists have observed the strange radio pulse as it happened
Two New Studies Posit At Least Two New Planets Out Beyond Pluto
We may not be done learning about our own solar system
Scientists Can Tell How Old a Star Is by Observing How Fast It Spins
A newly proven method can pinpoint the age of stars with at least 90% accuracy
NASA Is Turning Black Friday Into "Black Hole Friday"
Because, in the end, even great savings won't save you from a singularity
The Rotational Energy of Black Holes Spits Out Powerful Particle Streams
Researchers are getting closer to answering some heavy questions about how supermassive black holes work
How One Physicist’s Pursuit of the Cosmos Took Off in Antarctica
Francis Halzen’s amazing experiment heralds the beginning of a new era in astronomy
Exoplanet Has Winds That Blow at the Speed of Sound
WASP-43b wouldn't be a great place to live
What Is the Universe? Real Physics Has Some Mind-Bending Answers
Science says the universe could be a hologram, a computer program, a black hole or a bubble—and there are ways to check
The Future is (Still) Here: Day Two of Smithsonian's Second Annual Conference
Instead of holding its own global fest this year, Nerd Nite descended on our nation's capital.
Inside Black Holes
Three recent black hole events and how they shape our universe
Take a Peek Into the Future's Present With Our Live Coverage of Smithsonian's Two-Day Festival
The magazine's 2nd annual conference brings together experts, authors and visionaries in the fields of science, science fiction and technology.
Listening to the Big Bang
Just-reported ripples in space may open a window on the very beginning of the universe
The Big “Gravitational Wave” Finding May Have Actually Just Been Some Dust
A supernova remnant interacting with interstellar dust could have caused the signals interpreted to be gravitational waves
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