Cosmology
- Cosmology
The universe’s continued existence implies extra dimensions are tiny
The strictest limits yet on the size of extra dimensions come from the fact that black holes haven't destroyed the universe.
- Astronomy
The ecosystem that controls a galaxy’s future is coming into focus
An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.
- Astronomy
On Jupiter, lightning flashes from storms swirling at the poles
After almost 40 years, scientists have discovered that Jupiter has lightning that is similar to lightning on Earth — it just happens in a different place.
- Cosmology
These stars may have been born only 250 million years after the Big Bang
Scientists find evidence that stars were forming just 250 million years after the universe was born.
- Physics
A DIY take on the early universe may reveal cosmic secrets
A conglomerate of ultracold atoms reproduces some of the physics of the early universe.
- Particle Physics
The search for mysterious dark matter underdogs steps up
Dark matter particles called axions are finally being put to the test.
- Astronomy
Dark matter isn’t interacting with itself after all
Hints that a distant galactic collision knocked dark matter askew fizzled with new observations.
- Cosmology
Why the Nobel Prize might need a makeover
In Losing the Nobel Prize, astrophysicist Brian Keating discusses the downsides of science’s top honor.
- Astronomy
Dark matter is MIA in this strange galaxy
A galaxy without dark matter bolsters the case that the invisible substance really exists.
- Cosmology
Renowned physicist Stephen Hawking dies at 76
Beyond his research contributions, Stephen Hawking popularized black holes and the deep questions of the cosmos.
- Cosmology
Here’s when the universe’s first stars may have been born
The first stars lit the cosmos by 180 million years after the Big Bang, radio observations suggest.
- Cosmology
Remembering Joe Polchinski, the modest physicist who conceived a multiverse
String theorists lament the death of Joe Polchinski, one of their field’s most esteemed and respected thinkers.
