When was the first nuclear bomb made and by whom?
Nuclear weapons generate their huge explosive power through the splitting—or fission—of certain elements, such as uranium or plutonium.
If You Fell Into a Black Hole, You'd Be Frozen in Space and Time Forever
According to black hole expert Dr. Becky Smethurst, an observer would see you frozen in time if you fell into a black hole—and you'd be "spaghettified."
Meet the 11-Year-Old Who Is Smarter Than Einstein
Kevin Sweeney was accepted into the IQ club Mensa after scoring the highest possible score for a boy of his age: 162.
Stradivarius That Belonged to Einstein's Teacher Fetches $15.3M at Auction
Precious Fiddle: Rare Stradivarius That Belonged To Einstein's Teacher Fetches USD 15.3 Million At NYC Auction
Supermassive Black Hole Photo Proves Einstein Right Over 100 Years On
The supermassive black hole, which weighs as much as 4.3 million suns, is only the second ever to be imaged.
Wormholes Could Explain What Happens to Matter Swallowed by Black Holes
The new model could explain how wormhole-like structures in black holes allow information to escape back into the Universe, potentially solving a long-standing paradox.
5 Mysteries That Baffled Albert Einstein, Explained
Einstein's genius shone bright, but the physicist was not right about everything.
Scientists Use Extreme Stars to Test Limits of Einstein's Greatest Theory
Physicists tried for 16 years to find flaws in Albert Einstein's ground-breaking theory of general relativity, which is the best description of gravity we have.
Closest Supermassive Black Hole Pair To Earth On The Verge Of Collision
The discovery by astronomers could help us better understand how some black holes grow to such tremendous sizes.
'Tsunami' of Gravitational Waves From Violent Cosmic Events Detected
A member of the team who made the detection said the work represents a "major leap forward in our quest to unlock the secrets of the Universe's evolution."
Galaxy Looks Like Molten Ring Due to Phenomena Predicted by Einstein
The galaxy, which is 9.4 billion light-years from Earth, appeared to the Hubble Space Telescope as a cosmic illusion known as an Einstein Ring.
Black Holes May Exert Pressure, Solving Problem That Troubled Hawking
Professor Xavier Calmet of the University of Sussex told Newsweek the findings ould mean black holes are "much more complicated and interesting than naively imagined."
'Substantial' Number of Wandering Black Holes Could Be Roaming Galaxies
Most massive galaxies are thought to have a black hole settled in right in their centre—but some are cast adrift.
Pixar's 'Soul' Gives Shoutouts to Prince, Gandhi and Stephen Hawking
A scene in the latest Pixar feature references some of the most influential people in history.
The Closest Black Hole to Earth Has Been Discovered by Scientists
The black hole forms part of a triple star system known as HR 6819, which can be seen without binoculars or telescopes from the southern hemisphere on a dark, clear night.
NASA Visualization Reveals How a Black Hole Warps Its Surroundings
"Simulations and movies like these really help us visualize what Einstein meant when he said that gravity warps the fabric of space and time," the creator of the images said.
A Black Hole Swallowing a Neutron Star May Have Been Observed by Scientists
Researchers detected gravitational waves—ripples in space-time—emanating from a cataclysmic event around 900 million light years away.
Astronomers Spot Something Surprising Around a Supermassive Black Hole
The black hole is located at the center of the spiral galaxy NGC 3147 around 130 million light-years away from Earth.
Alternative to Einstein's Gravity Could Explain How Galaxies Form
Einstein's general theory of relativity beautifully describes the nature of gravity and its effect on large objects in the universe. However, there are alternative explanations.
What Is a Time Warp and Where Could We Find One?
The idea that time can be warped was proposed by Albert Einstein in his pioneering theories of special relativity and general relativity.
Traveling Through a Wormhole Wouldn't Be a Shortcut
The idea of wormholes was predicted by Einstein's theory of general relativity in 1916.
'Avengers Endgame' Time Travel Explained by Scientists
Many of the concepts in 'Endgame' are connected to recent scientific theory, simulation and speculation.
Happy Birthday Albert Einstein: Quotes From Physicist
Einstein was born in Germany in 1879.
Albert Einstein 'God Letter' to Be Auctioned
Einstein described the Bible as a collection of "honorable, but still primitive, legends" which are "pretty childish."
Einstein's General Relativity Proven Right (Again)
The theory of general relativity, which describes the nature of gravity, revolutionized science after its publication in 1915.
Three Einstein Theories Proven Right in Weeks
Scientists often conduct tests of Einstein's theories.
General Relativity Proven to Work in 'Extreme Gravity'
The great German physicist published his groundbreaking theory in 1915.
Einstein's 100-year-old Theory Bolstered by Discovery
The theory describes how heat moves through solids.
Einstein's General Relativity Works in a Distant Galaxy
The study has proved the theory holds beyond the Milky Way.
Chinese Are Defending Einstein's 'Racism'
"This is called insulting China? That's ridiculous … Einstein depicted the true state of that era."