Astrophysics
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
This 6 GB Photo of the Milky Way Is As Stunning As It Is Massive
Over the past 10 years the Spitzer Space Telescope captured this gorgeous infrared panorama of the Milky Way
We’re About to Watch As a Supermassive Black Hole Tries to Gobble a Gas Cloud
A huge cloud of dust is on a collision course with the supermassive black hole at the center of the Milky Way
A New Cosmic Discovery Could Be The Closest We’ve Come to the Beginning of Time
Scientists detect the signature of gravitational waves generated in the first moments of the Big Bang
The Search for Life Across the Universe
Smithsonian astrophysicist Jeremy Drake explains how the question changed from "if" life will be found elsewhere to "when" and "where"
Adventures In Laser Science
A photo series by Austin-based photographer Robert Shults casts physicists and their everyday life in the lab in a sci-fi B-movie light
This is the Oldest Star We’ve Ever Seen
SM0313 was part of the second wave of star formation
Stephen Hawking Thinks Black Holes Don’t Exist
And he's been trying to tell the rest of us for a decade
Can Space End, Where Did Time Zones Come From and More Questions from our Readers
You asked, we answered
Astronomers Find What May Be a Star Within a Star
The best candidate yet for an elusive Thorne-Żytkow Object
Lisa Randall’s Guide to the Galaxy
The famed cosmologist unveils her latest theories on the invisible universe, extra dimensions and human consciousness
Justin Kasper — Solar Astrophysicist at Harvard-Smithsonian Center for Astrophysics
Solar Astrophysicist at Harvard-Smithsonian Center for Astrophysics
John Mather: Nobel Laureate & Senior Project Scientist for the James Webb Space Telescope
Smithsonian "Future Is Here" Featured Speaker
The Building Blocks of Life May Have Come From Outer Space
The Building Blocks of Life May Have Come From Outer Space
Something New Under the Sun
Scientists are probing deep beneath the surface of our nearest star to calculate its profound effect on Earth
Signs of Life
Astrophysicist Lisa Kaltenegger analyzes light from distant stars for evidence we're not alone
Time for a Change
One professor's mission to revise the calendar
Finding a Home in the Cosmos
In a new book written with his wife, Nancy Abrams, cosmologist Joel Primack argues that the universe was meant for us. Sort of
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