Cosmology
- Cosmology
Voyager 2 spacecraft enters interstellar space
Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument.
- Astronomy
Astronomers find far-flung wind from a black hole in the universe’s first light
The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up together.
- Astronomy
Astronomers have measured all the starlight ever emitted
Astronomers used distant blazars to tally up all the stray photons roaming through space.
- Planetary Science
Hints of Oort clouds around other stars may lurk in the universe’s first light
Sifting through the universe’s early light could reveal planetary graveyards orbiting other stars.
- 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.
