Cosmology

New Horizons is So Far Away, it Can Measure the True Darkness of the Universe

NASA's New Horizons Spacecraft has completed its flybys of Pluto and Arrakoth and is now about 8 billion kilometers from…

1 year ago

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…

1 year ago

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!

1 year ago

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…

2 years ago

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.

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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.

2 years ago