Cosmology
Did the Pulsar Timing Array Actually Detect Colliding Primordial Black Holes?
With last week's announcement of the gravitational wave background detected by timing arrays, the assumption was that these are the…
Two New Space Telescopes Will Bring Dark Energy Into Focus
The ESA's Euclid and NASA's Nancy Grace Roman space telescope will work together to resolve the mystery of cosmic expansion!
Nancy Grace Roman Could Detect Supermassive Dark Stars
Dark stars are hypothetical objects that might have been present in the early Universe before the first stars and even…
The Earth's Magnetosphere Could be Used as a Gravitational Wave Observatory
The magnetospheres of Earth and Jupiter might be used to observe high-frequency gravitational waves.
Primordial Black Holes May Have “Frozen” the Early Universe
Primordial holes formed in the exotic conditions of the big bang may have become their own source of matter and…
Construction Begins on the Square Kilometer Array
At twin ground-breaking ceremonies today in South Africa and Australia, project leaders formally marked the start of construction on what…
Scroll Through the Universe with This Cool Interactive Map
Johns Hopkins University (JHU) continues to pad its space community résumé with their interactive map, “The map of the observable…
Can JWST see Galaxies Made of Primordial Stars?
With a bit of luck, the Webb Space Telescope might be able to see a galaxy full of the first…
JWST Sees the Same Galaxy From Three Different Angles Thanks to a Gravitational Lens
The Webb Telescope can see distant galaxies incredibly well, even when they are gravitationally lensed by galactic clusters.
Colliding Black Holes Provide Another way to Measure Distance in the Universe
Astronomers can use the gravitational waves of merging black holes to measure cosmic expansion.