Proof of parallel universes radically different from our own may still lie beyond the domain of science
The invisible dark matter particles that dominate the universe may come in strange and varied forms
The Dark Energy Survey is examining distant galaxies to figure out why space is expanding at an ever faster pace
Dips in starlight reveal the architecture of a super Saturn around a distant star
Dozens of particles from halfway across the universe have landed in the IceCube experiment. These messengers could help answer some long-standing cosmic conundrums
"Monkey King" is first in a line of Chinese space missions focused on scientific discovery
Pushed out of their homeland by war and drought, Syrians seek a better future abroad
The gigantic accelerator in Europe has produced hints of an exotic particle that defies the known laws of physics
Newly discovered lobes stretch tens of thousands of light-years above and below the Milky Way's disk. Where did they come from?
Two controversial new studies suggest the discovery of large objects at the outer reaches of the solar system
Astronauts already skip ahead in time, but the laws of physics seem to forbid going backward—or do they?
A new breed of giants raises questions about how the biggest galaxies arise
New study explores how life on one exoplanet could spread to its neighbor
Black holes may be bubbles devoid of space and time—and encased in “firewalls” that confound both general relativity and quantum mechanics
Emerging evidence suggests that the first starlight to shine after the big bang’s flash came from distant suns that ranged from very large to incredibly huge
Is the big bang, and all that came from it, a holographic mirage from another dimension?
As you dig into those mashed potatoes, be grateful the universe’s physical constants are so precise that a slight variation in any one would render that drumstick—and even your existence—impossible
On the centennial of the theory of general relativity, senior Fermilab scientist Don Lincoln reflects on Einstein's quest to understand the quantum world
A dozen quasars in the early universe appear to have shut down in just a few years, baffling astronomers